Home / 238,073.28-328,546.08-130,637.04

Finding the Fourth Proportional to 238,073.28, 328,546.08 and 130,637.04

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Solution

The fourth proportional to 238,073.28, 328,546.08 and 130,637.04 is: 180,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,073.28 : 328,546.08 = 130,637.04 : x
  2. Step 2: Convert to fraction form
    238,073.28/328,546.08 = 130,637.04/x
  3. Step 3: Cross multiply
    238,073.28x = 328,546.08 × 130,637.04
  4. Step 4: Simplify right side
    238,073.28x = 42,920,287,394.80
  5. Step 5: Solve for x
    x = 42,920,287,394.80/238,073.28
  6. Step 6: Final answer
    x = 180,281.83

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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.