Home / 499,038.91-748,561.60-199,544.65

Finding the Fourth Proportional to 499,038.91, 748,561.60 and 199,544.65

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Solution

The fourth proportional to 499,038.91, 748,561.60 and 199,544.65 is: 299,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,038.91 : 748,561.60 = 199,544.65 : x
  2. Step 2: Convert to fraction form
    499,038.91/748,561.60 = 199,544.65/x
  3. Step 3: Cross multiply
    499,038.91x = 748,561.60 × 199,544.65
  4. Step 4: Simplify right side
    499,038.91x = 149,371,462,475.44
  5. Step 5: Solve for x
    x = 149,371,462,475.44/499,038.91
  6. Step 6: Final answer
    x = 299,318.27

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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.