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Finding the Fourth Proportional to 349,352.40, 523,932.60 and 96,572.88

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Solution

The fourth proportional to 349,352.40, 523,932.60 and 96,572.88 is: 144,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,352.40 : 523,932.60 = 96,572.88 : x
  2. Step 2: Convert to fraction form
    349,352.40/523,932.60 = 96,572.88/x
  3. Step 3: Cross multiply
    349,352.40x = 523,932.60 × 96,572.88
  4. Step 4: Simplify right side
    349,352.40x = 50,597,680,107.89
  5. Step 5: Solve for x
    x = 50,597,680,107.89/349,352.40
  6. Step 6: Final answer
    x = 144,832.78

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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.