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Finding the Fourth Proportional to 318,325, 439,296.81 and 175,088.80

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Solution

The fourth proportional to 318,325, 439,296.81 and 175,088.80 is: 241,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,325 : 439,296.81 = 175,088.80 : x
  2. Step 2: Convert to fraction form
    318,325/439,296.81 = 175,088.80/x
  3. Step 3: Cross multiply
    318,325x = 439,296.81 × 175,088.80
  4. Step 4: Simplify right side
    318,325x = 76,915,951,306.73
  5. Step 5: Solve for x
    x = 76,915,951,306.73/318,325
  6. Step 6: Final answer
    x = 241,627.11

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1.5x scale

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.