Home / 397,781.47-596,612.94-131,543.38

Finding the Fourth Proportional to 397,781.47, 596,612.94 and 131,543.38

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Solution

The fourth proportional to 397,781.47, 596,612.94 and 131,543.38 is: 197,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,781.47 : 596,612.94 = 131,543.38 : x
  2. Step 2: Convert to fraction form
    397,781.47/596,612.94 = 131,543.38/x
  3. Step 3: Cross multiply
    397,781.47x = 596,612.94 × 131,543.38
  4. Step 4: Simplify right side
    397,781.47x = 78,480,482,679.34
  5. Step 5: Solve for x
    x = 78,480,482,679.34/397,781.47
  6. Step 6: Final answer
    x = 197,295.47

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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.