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Finding the Fourth Proportional to 239,952.87, 359,892.32 and 80,031.60

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Solution

The fourth proportional to 239,952.87, 359,892.32 and 80,031.60 is: 120,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,952.87 : 359,892.32 = 80,031.60 : x
  2. Step 2: Convert to fraction form
    239,952.87/359,892.32 = 80,031.60/x
  3. Step 3: Cross multiply
    239,952.87x = 359,892.32 × 80,031.60
  4. Step 4: Simplify right side
    239,952.87x = 28,802,757,797.15
  5. Step 5: Solve for x
    x = 28,802,757,797.15/239,952.87
  6. Step 6: Final answer
    x = 120,035.06

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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.