Home / 238,406.90-329,000.14-130,974.62

Finding the Fourth Proportional to 238,406.90, 329,000.14 and 130,974.62

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Solution

The fourth proportional to 238,406.90, 329,000.14 and 130,974.62 is: 180,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,406.90 : 329,000.14 = 130,974.62 : x
  2. Step 2: Convert to fraction form
    238,406.90/329,000.14 = 130,974.62/x
  3. Step 3: Cross multiply
    238,406.90x = 329,000.14 × 130,974.62
  4. Step 4: Simplify right side
    238,406.90x = 43,090,666,344.01
  5. Step 5: Solve for x
    x = 43,090,666,344.01/238,406.90
  6. Step 6: Final answer
    x = 180,744.21

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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.