Home / 238,414.38-329,015.48-130,986.51

Finding the Fourth Proportional to 238,414.38, 329,015.48 and 130,986.51

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Solution

The fourth proportional to 238,414.38, 329,015.48 and 130,986.51 is: 180,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,414.38 : 329,015.48 = 130,986.51 : x
  2. Step 2: Convert to fraction form
    238,414.38/329,015.48 = 130,986.51/x
  3. Step 3: Cross multiply
    238,414.38x = 329,015.48 × 130,986.51
  4. Step 4: Simplify right side
    238,414.38x = 43,096,589,461.17
  5. Step 5: Solve for x
    x = 43,096,589,461.17/238,414.38
  6. Step 6: Final answer
    x = 180,763.38

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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.