Home / 488,819.34-733,279.68-133,833.30

Finding the Fourth Proportional to 488,819.34, 733,279.68 and 133,833.30

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Solution

The fourth proportional to 488,819.34, 733,279.68 and 133,833.30 is: 200,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,819.34 : 733,279.68 = 133,833.30 : x
  2. Step 2: Convert to fraction form
    488,819.34/733,279.68 = 133,833.30/x
  3. Step 3: Cross multiply
    488,819.34x = 733,279.68 × 133,833.30
  4. Step 4: Simplify right side
    488,819.34x = 98,137,239,397.34
  5. Step 5: Solve for x
    x = 98,137,239,397.34/488,819.34
  6. Step 6: Final answer
    x = 200,763.82

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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.