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Finding the Fourth Proportional to 238,658.88, 329,349.52 and 131,230.72

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Solution

The fourth proportional to 238,658.88, 329,349.52 and 131,230.72 is: 181,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,658.88 : 329,349.52 = 131,230.72 : x
  2. Step 2: Convert to fraction form
    238,658.88/329,349.52 = 131,230.72/x
  3. Step 3: Cross multiply
    238,658.88x = 329,349.52 × 131,230.72
  4. Step 4: Simplify right side
    238,658.88x = 43,220,774,641.25
  5. Step 5: Solve for x
    x = 43,220,774,641.25/238,658.88
  6. Step 6: Final answer
    x = 181,098.54

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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.