Home / 252,913.02-379,081.53-84,393.78

Finding the Fourth Proportional to 252,913.02, 379,081.53 and 84,393.78

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Solution

The fourth proportional to 252,913.02, 379,081.53 and 84,393.78 is: 126,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,913.02 : 379,081.53 = 84,393.78 : x
  2. Step 2: Convert to fraction form
    252,913.02/379,081.53 = 84,393.78/x
  3. Step 3: Cross multiply
    252,913.02x = 379,081.53 × 84,393.78
  4. Step 4: Simplify right side
    252,913.02x = 31,992,123,244.88
  5. Step 5: Solve for x
    x = 31,992,123,244.88/252,913.02
  6. Step 6: Final answer
    x = 126,494.57

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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.