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Finding the Fourth Proportional to 160,499.78, 240,749.12 and 48,179.55

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Solution

The fourth proportional to 160,499.78, 240,749.12 and 48,179.55 is: 72,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,499.78 : 240,749.12 = 48,179.55 : x
  2. Step 2: Convert to fraction form
    160,499.78/240,749.12 = 48,179.55/x
  3. Step 3: Cross multiply
    160,499.78x = 240,749.12 × 48,179.55
  4. Step 4: Simplify right side
    160,499.78x = 11,599,182,819.85
  5. Step 5: Solve for x
    x = 11,599,182,819.85/160,499.78
  6. Step 6: Final answer
    x = 72,269.15

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1.5x scale

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.