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Finding the Fourth Proportional to 354,360.39, 531,542.70 and 88,120.91

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Solution

The fourth proportional to 354,360.39, 531,542.70 and 88,120.91 is: 132,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,360.39 : 531,542.70 = 88,120.91 : x
  2. Step 2: Convert to fraction form
    354,360.39/531,542.70 = 88,120.91/x
  3. Step 3: Cross multiply
    354,360.39x = 531,542.70 × 88,120.91
  4. Step 4: Simplify right side
    354,360.39x = 46,840,023,770.14
  5. Step 5: Solve for x
    x = 46,840,023,770.14/354,360.39
  6. Step 6: Final answer
    x = 132,181.88

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1.5x scale

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.