Home / 239,714.70-359,319.29-79,747.91

Finding the Fourth Proportional to 239,714.70, 359,319.29 and 79,747.91

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Solution

The fourth proportional to 239,714.70, 359,319.29 and 79,747.91 is: 119,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,714.70 : 359,319.29 = 79,747.91 : x
  2. Step 2: Convert to fraction form
    239,714.70/359,319.29 = 79,747.91/x
  3. Step 3: Cross multiply
    239,714.70x = 359,319.29 × 79,747.91
  4. Step 4: Simplify right side
    239,714.70x = 28,654,962,899.74
  5. Step 5: Solve for x
    x = 28,654,962,899.74/239,714.70
  6. Step 6: Final answer
    x = 119,537.78

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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.