Home / 238,828.20-329,574.60-131,397.12

Finding the Fourth Proportional to 238,828.20, 329,574.60 and 131,397.12

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Solution

The fourth proportional to 238,828.20, 329,574.60 and 131,397.12 is: 181,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,828.20 : 329,574.60 = 131,397.12 : x
  2. Step 2: Convert to fraction form
    238,828.20/329,574.60 = 131,397.12/x
  3. Step 3: Cross multiply
    238,828.20x = 329,574.60 × 131,397.12
  4. Step 4: Simplify right side
    238,828.20x = 43,305,153,265.15
  5. Step 5: Solve for x
    x = 43,305,153,265.15/238,828.20
  6. Step 6: Final answer
    x = 181,323.45

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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.