Home / 238,648.61-329,335.01-131,225.60

Finding the Fourth Proportional to 238,648.61, 329,335.01 and 131,225.60

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Solution

The fourth proportional to 238,648.61, 329,335.01 and 131,225.60 is: 181,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,648.61 : 329,335.01 = 131,225.60 : x
  2. Step 2: Convert to fraction form
    238,648.61/329,335.01 = 131,225.60/x
  3. Step 3: Cross multiply
    238,648.61x = 329,335.01 × 131,225.60
  4. Step 4: Simplify right side
    238,648.61x = 43,217,182,969.64
  5. Step 5: Solve for x
    x = 43,217,182,969.64/238,648.61
  6. Step 6: Final answer
    x = 181,091.29

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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.