Home / 243,919.38-365,934.65-131,597.49

Finding the Fourth Proportional to 243,919.38, 365,934.65 and 131,597.49

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Solution

The fourth proportional to 243,919.38, 365,934.65 and 131,597.49 is: 197,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,919.38 : 365,934.65 = 131,597.49 : x
  2. Step 2: Convert to fraction form
    243,919.38/365,934.65 = 131,597.49/x
  3. Step 3: Cross multiply
    243,919.38x = 365,934.65 × 131,597.49
  4. Step 4: Simplify right side
    243,919.38x = 48,156,080,786.04
  5. Step 5: Solve for x
    x = 48,156,080,786.04/243,919.38
  6. Step 6: Final answer
    x = 197,426.22

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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.