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Finding the Fourth Proportional to 442,162.34, 609,750.52 and 280,737.14

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Solution

The fourth proportional to 442,162.34, 609,750.52 and 280,737.14 is: 387,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,162.34 : 609,750.52 = 280,737.14 : x
  2. Step 2: Convert to fraction form
    442,162.34/609,750.52 = 280,737.14/x
  3. Step 3: Cross multiply
    442,162.34x = 609,750.52 × 280,737.14
  4. Step 4: Simplify right side
    442,162.34x = 171,179,617,098.31
  5. Step 5: Solve for x
    x = 171,179,617,098.31/442,162.34
  6. Step 6: Final answer
    x = 387,142.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.