Home / 238,414.50-329,017.74-130,991.46

Finding the Fourth Proportional to 238,414.50, 329,017.74 and 130,991.46

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Solution

The fourth proportional to 238,414.50, 329,017.74 and 130,991.46 is: 180,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,414.50 : 329,017.74 = 130,991.46 : x
  2. Step 2: Convert to fraction form
    238,414.50/329,017.74 = 130,991.46/x
  3. Step 3: Cross multiply
    238,414.50x = 329,017.74 × 130,991.46
  4. Step 4: Simplify right side
    238,414.50x = 43,098,514,128.50
  5. Step 5: Solve for x
    x = 43,098,514,128.50/238,414.50
  6. Step 6: Final answer
    x = 180,771.36

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1.5x scale

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.