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Finding the Fourth Proportional to 239,819.98, 359,765.51 and 79,843.66

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Solution

The fourth proportional to 239,819.98, 359,765.51 and 79,843.66 is: 119,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.98 : 359,765.51 = 79,843.66 : x
  2. Step 2: Convert to fraction form
    239,819.98/359,765.51 = 79,843.66/x
  3. Step 3: Cross multiply
    239,819.98x = 359,765.51 × 79,843.66
  4. Step 4: Simplify right side
    239,819.98x = 28,724,995,060.17
  5. Step 5: Solve for x
    x = 28,724,995,060.17/239,819.98
  6. Step 6: Final answer
    x = 119,777.32

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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.