Home / 238,966.45-329,805.19-143,479.29

Finding the Fourth Proportional to 238,966.45, 329,805.19 and 143,479.29

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Solution

The fourth proportional to 238,966.45, 329,805.19 and 143,479.29 is: 198,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,966.45 : 329,805.19 = 143,479.29 : x
  2. Step 2: Convert to fraction form
    238,966.45/329,805.19 = 143,479.29/x
  3. Step 3: Cross multiply
    238,966.45x = 329,805.19 × 143,479.29
  4. Step 4: Simplify right side
    238,966.45x = 47,320,215,915.63
  5. Step 5: Solve for x
    x = 47,320,215,915.63/238,966.45
  6. Step 6: Final answer
    x = 198,020.33

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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.