Home / 380,788.92-571,188.24-144,068.04

Finding the Fourth Proportional to 380,788.92, 571,188.24 and 144,068.04

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Solution

The fourth proportional to 380,788.92, 571,188.24 and 144,068.04 is: 216,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,788.92 : 571,188.24 = 144,068.04 : x
  2. Step 2: Convert to fraction form
    380,788.92/571,188.24 = 144,068.04/x
  3. Step 3: Cross multiply
    380,788.92x = 571,188.24 × 144,068.04
  4. Step 4: Simplify right side
    380,788.92x = 82,289,970,207.85
  5. Step 5: Solve for x
    x = 82,289,970,207.85/380,788.92
  6. Step 6: Final answer
    x = 216,103.90

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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.