Home / 238,354.20-328,930.92-130,926.42

Finding the Fourth Proportional to 238,354.20, 328,930.92 and 130,926.42

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Solution

The fourth proportional to 238,354.20, 328,930.92 and 130,926.42 is: 180,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,354.20 : 328,930.92 = 130,926.42 : x
  2. Step 2: Convert to fraction form
    238,354.20/328,930.92 = 130,926.42/x
  3. Step 3: Cross multiply
    238,354.20x = 328,930.92 × 130,926.42
  4. Step 4: Simplify right side
    238,354.20x = 43,065,747,782.91
  5. Step 5: Solve for x
    x = 43,065,747,782.91/238,354.20
  6. Step 6: Final answer
    x = 180,679.63

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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.