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Finding the Fourth Proportional to 238,131.38, 357,197.07 and 71,919.38

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Solution

The fourth proportional to 238,131.38, 357,197.07 and 71,919.38 is: 107,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,131.38 : 357,197.07 = 71,919.38 : x
  2. Step 2: Convert to fraction form
    238,131.38/357,197.07 = 71,919.38/x
  3. Step 3: Cross multiply
    238,131.38x = 357,197.07 × 71,919.38
  4. Step 4: Simplify right side
    238,131.38x = 25,689,390,026.23
  5. Step 5: Solve for x
    x = 25,689,390,026.23/238,131.38
  6. Step 6: Final answer
    x = 107,879.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.