Home / 238,778.96-329,507.97-131,348.93

Finding the Fourth Proportional to 238,778.96, 329,507.97 and 131,348.93

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Solution

The fourth proportional to 238,778.96, 329,507.97 and 131,348.93 is: 181,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,778.96 : 329,507.97 = 131,348.93 : x
  2. Step 2: Convert to fraction form
    238,778.96/329,507.97 = 131,348.93/x
  3. Step 3: Cross multiply
    238,778.96x = 329,507.97 × 131,348.93
  4. Step 4: Simplify right side
    238,778.96x = 43,280,517,145.87
  5. Step 5: Solve for x
    x = 43,280,517,145.87/238,778.96
  6. Step 6: Final answer
    x = 181,257.67

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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.