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Finding the Fourth Proportional to 477,073.80, 658,363.68 and 262,232.64

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Solution

The fourth proportional to 477,073.80, 658,363.68 and 262,232.64 is: 361,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,073.80 : 658,363.68 = 262,232.64 : x
  2. Step 2: Convert to fraction form
    477,073.80/658,363.68 = 262,232.64/x
  3. Step 3: Cross multiply
    477,073.80x = 658,363.68 × 262,232.64
  4. Step 4: Simplify right side
    477,073.80x = 172,644,445,886.52
  5. Step 5: Solve for x
    x = 172,644,445,886.52/477,073.80
  6. Step 6: Final answer
    x = 361,882.05

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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.