Home / 499,037.91-748,560.10-199,543.65

Finding the Fourth Proportional to 499,037.91, 748,560.10 and 199,543.65

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Solution

The fourth proportional to 499,037.91, 748,560.10 and 199,543.65 is: 299,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,037.91 : 748,560.10 = 199,543.65 : x
  2. Step 2: Convert to fraction form
    499,037.91/748,560.10 = 199,543.65/x
  3. Step 3: Cross multiply
    499,037.91x = 748,560.10 × 199,543.65
  4. Step 4: Simplify right side
    499,037.91x = 149,370,410,855.56
  5. Step 5: Solve for x
    x = 149,370,410,855.56/499,037.91
  6. Step 6: Final answer
    x = 299,316.76

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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.