Home / 325,819.30-488,711.18-89,144.90

Finding the Fourth Proportional to 325,819.30, 488,711.18 and 89,144.90

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Solution

The fourth proportional to 325,819.30, 488,711.18 and 89,144.90 is: 133,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,819.30 : 488,711.18 = 89,144.90 : x
  2. Step 2: Convert to fraction form
    325,819.30/488,711.18 = 89,144.90/x
  3. Step 3: Cross multiply
    325,819.30x = 488,711.18 × 89,144.90
  4. Step 4: Simplify right side
    325,819.30x = 43,566,109,269.98
  5. Step 5: Solve for x
    x = 43,566,109,269.98/325,819.30
  6. Step 6: Final answer
    x = 133,712.49

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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.