Home / 485,059.27-727,555.02-181,395.64

Finding the Fourth Proportional to 485,059.27, 727,555.02 and 181,395.64

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Solution

The fourth proportional to 485,059.27, 727,555.02 and 181,395.64 is: 272,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,059.27 : 727,555.02 = 181,395.64 : x
  2. Step 2: Convert to fraction form
    485,059.27/727,555.02 = 181,395.64/x
  3. Step 3: Cross multiply
    485,059.27x = 727,555.02 × 181,395.64
  4. Step 4: Simplify right side
    485,059.27x = 131,975,304,850.34
  5. Step 5: Solve for x
    x = 131,975,304,850.34/485,059.27
  6. Step 6: Final answer
    x = 272,080.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.