Home / 238,758.60-329,480.00-131,328.63

Finding the Fourth Proportional to 238,758.60, 329,480.00 and 131,328.63

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Solution

The fourth proportional to 238,758.60, 329,480.00 and 131,328.63 is: 181,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,758.60 : 329,480.00 = 131,328.63 : x
  2. Step 2: Convert to fraction form
    238,758.60/329,480.00 = 131,328.63/x
  3. Step 3: Cross multiply
    238,758.60x = 329,480.00 × 131,328.63
  4. Step 4: Simplify right side
    238,758.60x = 43,270,156,355.76
  5. Step 5: Solve for x
    x = 43,270,156,355.76/238,758.60
  6. Step 6: Final answer
    x = 181,229.73

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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.