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Finding the Fourth Proportional to 445,008.18, 667,553.28 and 145,490.34

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Solution

The fourth proportional to 445,008.18, 667,553.28 and 145,490.34 is: 218,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,008.18 : 667,553.28 = 145,490.34 : x
  2. Step 2: Convert to fraction form
    445,008.18/667,553.28 = 145,490.34/x
  3. Step 3: Cross multiply
    445,008.18x = 667,553.28 × 145,490.34
  4. Step 4: Simplify right side
    445,008.18x = 97,122,553,675.32
  5. Step 5: Solve for x
    x = 97,122,553,675.32/445,008.18
  6. Step 6: Final answer
    x = 218,248.92

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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.