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Finding the Fourth Proportional to 472,440.10, 708,662.76 and 117,454.13

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Solution

The fourth proportional to 472,440.10, 708,662.76 and 117,454.13 is: 176,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,440.10 : 708,662.76 = 117,454.13 : x
  2. Step 2: Convert to fraction form
    472,440.10/708,662.76 = 117,454.13/x
  3. Step 3: Cross multiply
    472,440.10x = 708,662.76 × 117,454.13
  4. Step 4: Simplify right side
    472,440.10x = 83,235,363,808.61
  5. Step 5: Solve for x
    x = 83,235,363,808.61/472,440.10
  6. Step 6: Final answer
    x = 176,181.83

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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.