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Finding the Fourth Proportional to 360,501.27, 540,753.08 and 135,801.39

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Solution

The fourth proportional to 360,501.27, 540,753.08 and 135,801.39 is: 203,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,501.27 : 540,753.08 = 135,801.39 : x
  2. Step 2: Convert to fraction form
    360,501.27/540,753.08 = 135,801.39/x
  3. Step 3: Cross multiply
    360,501.27x = 540,753.08 × 135,801.39
  4. Step 4: Simplify right side
    360,501.27x = 73,435,019,910.78
  5. Step 5: Solve for x
    x = 73,435,019,910.78/360,501.27
  6. Step 6: Final answer
    x = 203,702.53

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1.5x scale

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.