Home / 238,874.47-329,648.33-131,441.74

Finding the Fourth Proportional to 238,874.47, 329,648.33 and 131,441.74

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Solution

The fourth proportional to 238,874.47, 329,648.33 and 131,441.74 is: 181,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,874.47 : 329,648.33 = 131,441.74 : x
  2. Step 2: Convert to fraction form
    238,874.47/329,648.33 = 131,441.74/x
  3. Step 3: Cross multiply
    238,874.47x = 329,648.33 × 131,441.74
  4. Step 4: Simplify right side
    238,874.47x = 43,329,549,587.78
  5. Step 5: Solve for x
    x = 43,329,549,587.78/238,874.47
  6. Step 6: Final answer
    x = 181,390.46

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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.