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Finding the Fourth Proportional to 462,273.49, 637,747.45 and 280,956.21

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Solution

The fourth proportional to 462,273.49, 637,747.45 and 280,956.21 is: 387,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,273.49 : 637,747.45 = 280,956.21 : x
  2. Step 2: Convert to fraction form
    462,273.49/637,747.45 = 280,956.21/x
  3. Step 3: Cross multiply
    462,273.49x = 637,747.45 × 280,956.21
  4. Step 4: Simplify right side
    462,273.49x = 179,179,106,489.17
  5. Step 5: Solve for x
    x = 179,179,106,489.17/462,273.49
  6. Step 6: Final answer
    x = 387,604.11

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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.