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Finding the Fourth Proportional to 469,351.82, 703,302.96 and 316,951.52

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Solution

The fourth proportional to 469,351.82, 703,302.96 and 316,951.52 is: 474,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,351.82 : 703,302.96 = 316,951.52 : x
  2. Step 2: Convert to fraction form
    469,351.82/703,302.96 = 316,951.52/x
  3. Step 3: Cross multiply
    469,351.82x = 703,302.96 × 316,951.52
  4. Step 4: Simplify right side
    469,351.82x = 222,912,942,192.50
  5. Step 5: Solve for x
    x = 222,912,942,192.50/469,351.82
  6. Step 6: Final answer
    x = 474,937.85

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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.