Home / 238,337.31-328,908.18-130,909.83

Finding the Fourth Proportional to 238,337.31, 328,908.18 and 130,909.83

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Solution

The fourth proportional to 238,337.31, 328,908.18 and 130,909.83 is: 180,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,337.31 : 328,908.18 = 130,909.83 : x
  2. Step 2: Convert to fraction form
    238,337.31/328,908.18 = 130,909.83/x
  3. Step 3: Cross multiply
    238,337.31x = 328,908.18 × 130,909.83
  4. Step 4: Simplify right side
    238,337.31x = 43,057,313,929.41
  5. Step 5: Solve for x
    x = 43,057,313,929.41/238,337.31
  6. Step 6: Final answer
    x = 180,657.04

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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.