Home / 238,360.20-328,939.20-130,932.42

Finding the Fourth Proportional to 238,360.20, 328,939.20 and 130,932.42

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Solution

The fourth proportional to 238,360.20, 328,939.20 and 130,932.42 is: 180,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,360.20 : 328,939.20 = 130,932.42 : x
  2. Step 2: Convert to fraction form
    238,360.20/328,939.20 = 130,932.42/x
  3. Step 3: Cross multiply
    238,360.20x = 328,939.20 × 130,932.42
  4. Step 4: Simplify right side
    238,360.20x = 43,068,805,488.86
  5. Step 5: Solve for x
    x = 43,068,805,488.86/238,360.20
  6. Step 6: Final answer
    x = 180,687.91

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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.