Home / 439,819.70-659,643.15-144,331.70

Finding the Fourth Proportional to 439,819.70, 659,643.15 and 144,331.70

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Solution

The fourth proportional to 439,819.70, 659,643.15 and 144,331.70 is: 216,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,819.70 : 659,643.15 = 144,331.70 : x
  2. Step 2: Convert to fraction form
    439,819.70/659,643.15 = 144,331.70/x
  3. Step 3: Cross multiply
    439,819.70x = 659,643.15 × 144,331.70
  4. Step 4: Simplify right side
    439,819.70x = 95,207,417,232.86
  5. Step 5: Solve for x
    x = 95,207,417,232.86/439,819.70
  6. Step 6: Final answer
    x = 216,469.20

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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.