Home / 384,099.47-576,149.36-131,382.41

Finding the Fourth Proportional to 384,099.47, 576,149.36 and 131,382.41

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Solution

The fourth proportional to 384,099.47, 576,149.36 and 131,382.41 is: 197,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,099.47 : 576,149.36 = 131,382.41 : x
  2. Step 2: Convert to fraction form
    384,099.47/576,149.36 = 131,382.41/x
  3. Step 3: Cross multiply
    384,099.47x = 576,149.36 × 131,382.41
  4. Step 4: Simplify right side
    384,099.47x = 75,695,887,899.10
  5. Step 5: Solve for x
    x = 75,695,887,899.10/384,099.47
  6. Step 6: Final answer
    x = 197,073.66

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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.