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Finding the Fourth Proportional to 365,402.95, 547,963.99 and 125,472.24

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Solution

The fourth proportional to 365,402.95, 547,963.99 and 125,472.24 is: 188,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,402.95 : 547,963.99 = 125,472.24 : x
  2. Step 2: Convert to fraction form
    365,402.95/547,963.99 = 125,472.24/x
  3. Step 3: Cross multiply
    365,402.95x = 547,963.99 × 125,472.24
  4. Step 4: Simplify right side
    365,402.95x = 68,754,268,950.96
  5. Step 5: Solve for x
    x = 68,754,268,950.96/365,402.95
  6. Step 6: Final answer
    x = 188,160.14

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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.