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Finding the Fourth Proportional to 488,808.70, 733,260.18 and 151,758.85

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Solution

The fourth proportional to 488,808.70, 733,260.18 and 151,758.85 is: 227,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,808.70 : 733,260.18 = 151,758.85 : x
  2. Step 2: Convert to fraction form
    488,808.70/733,260.18 = 151,758.85/x
  3. Step 3: Cross multiply
    488,808.70x = 733,260.18 × 151,758.85
  4. Step 4: Simplify right side
    488,808.70x = 111,278,721,667.59
  5. Step 5: Solve for x
    x = 111,278,721,667.59/488,808.70
  6. Step 6: Final answer
    x = 227,652.91

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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.