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Finding the Fourth Proportional to 240,452.43, 360,750.84 and 71,978.23

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Solution

The fourth proportional to 240,452.43, 360,750.84 and 71,978.23 is: 107,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,452.43 : 360,750.84 = 71,978.23 : x
  2. Step 2: Convert to fraction form
    240,452.43/360,750.84 = 71,978.23/x
  3. Step 3: Cross multiply
    240,452.43x = 360,750.84 × 71,978.23
  4. Step 4: Simplify right side
    240,452.43x = 25,966,206,934.21
  5. Step 5: Solve for x
    x = 25,966,206,934.21/240,452.43
  6. Step 6: Final answer
    x = 107,988.96

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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.