Home / 238,429.28-329,032.13-130,999.04

Finding the Fourth Proportional to 238,429.28, 329,032.13 and 130,999.04

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Solution

The fourth proportional to 238,429.28, 329,032.13 and 130,999.04 is: 180,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,429.28 : 329,032.13 = 130,999.04 : x
  2. Step 2: Convert to fraction form
    238,429.28/329,032.13 = 130,999.04/x
  3. Step 3: Cross multiply
    238,429.28x = 329,032.13 × 130,999.04
  4. Step 4: Simplify right side
    238,429.28x = 43,102,892,504.16
  5. Step 5: Solve for x
    x = 43,102,892,504.16/238,429.28
  6. Step 6: Final answer
    x = 180,778.52

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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.