Home / 439,795.28-659,694.36-187,039.76

Finding the Fourth Proportional to 439,795.28, 659,694.36 and 187,039.76

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Solution

The fourth proportional to 439,795.28, 659,694.36 and 187,039.76 is: 280,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,795.28 : 659,694.36 = 187,039.76 : x
  2. Step 2: Convert to fraction form
    439,795.28/659,694.36 = 187,039.76/x
  3. Step 3: Cross multiply
    439,795.28x = 659,694.36 × 187,039.76
  4. Step 4: Simplify right side
    439,795.28x = 123,389,074,767.75
  5. Step 5: Solve for x
    x = 123,389,074,767.75/439,795.28
  6. Step 6: Final answer
    x = 280,560.25

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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.