Home / 379,125.20-568,497.56-126,316.76

Finding the Fourth Proportional to 379,125.20, 568,497.56 and 126,316.76

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Solution

The fourth proportional to 379,125.20, 568,497.56 and 126,316.76 is: 189,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,125.20 : 568,497.56 = 126,316.76 : x
  2. Step 2: Convert to fraction form
    379,125.20/568,497.56 = 126,316.76/x
  3. Step 3: Cross multiply
    379,125.20x = 568,497.56 × 126,316.76
  4. Step 4: Simplify right side
    379,125.20x = 71,810,769,847.11
  5. Step 5: Solve for x
    x = 71,810,769,847.11/379,125.20
  6. Step 6: Final answer
    x = 189,411.76

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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.