Home / 349,382.44-482,149.38-198,487.72

Finding the Fourth Proportional to 349,382.44, 482,149.38 and 198,487.72

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Solution

The fourth proportional to 349,382.44, 482,149.38 and 198,487.72 is: 273,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,382.44 : 482,149.38 = 198,487.72 : x
  2. Step 2: Convert to fraction form
    349,382.44/482,149.38 = 198,487.72/x
  3. Step 3: Cross multiply
    349,382.44x = 482,149.38 × 198,487.72
  4. Step 4: Simplify right side
    349,382.44x = 95,700,731,135.61
  5. Step 5: Solve for x
    x = 95,700,731,135.61/349,382.44
  6. Step 6: Final answer
    x = 273,913.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.