In an election 3 candidates 'P', 'Q', and 'R' participated. Candidate 'P' gets (3x + 10)% more votes than candidate 'Q' and he beats candidate 'R' by 54000 votes. Candidate 'Q' gets 'x'% more votes than candidate 'R'. If all the voters on the voting list voted and no vote was illegal then the total number of voters on the voting list is 364000. Find the value of 'x'?