Home / 238,649.36-329,337.32-131,226.30

Finding the Fourth Proportional to 238,649.36, 329,337.32 and 131,226.30

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Solution

The fourth proportional to 238,649.36, 329,337.32 and 131,226.30 is: 181,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,649.36 : 329,337.32 = 131,226.30 : x
  2. Step 2: Convert to fraction form
    238,649.36/329,337.32 = 131,226.30/x
  3. Step 3: Cross multiply
    238,649.36x = 329,337.32 × 131,226.30
  4. Step 4: Simplify right side
    238,649.36x = 43,217,717,299.38
  5. Step 5: Solve for x
    x = 43,217,717,299.38/238,649.36
  6. Step 6: Final answer
    x = 181,092.96

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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.