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Finding the Fourth Proportional to 239,479.62, 359,220.85 and 71,001.42

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Solution

The fourth proportional to 239,479.62, 359,220.85 and 71,001.42 is: 106,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,479.62 : 359,220.85 = 71,001.42 : x
  2. Step 2: Convert to fraction form
    239,479.62/359,220.85 = 71,001.42/x
  3. Step 3: Cross multiply
    239,479.62x = 359,220.85 × 71,001.42
  4. Step 4: Simplify right side
    239,479.62x = 25,505,188,919.03
  5. Step 5: Solve for x
    x = 25,505,188,919.03/239,479.62
  6. Step 6: Final answer
    x = 106,502.55

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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.