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Finding the Fourth Proportional to 472,737.76, 652,377.06 and 257,877.88

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Solution

The fourth proportional to 472,737.76, 652,377.06 and 257,877.88 is: 355,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,737.76 : 652,377.06 = 257,877.88 : x
  2. Step 2: Convert to fraction form
    472,737.76/652,377.06 = 257,877.88/x
  3. Step 3: Cross multiply
    472,737.76x = 652,377.06 × 257,877.88
  4. Step 4: Simplify right side
    472,737.76x = 168,233,613,193.43
  5. Step 5: Solve for x
    x = 168,233,613,193.43/472,737.76
  6. Step 6: Final answer
    x = 355,870.90

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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.