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Finding the Fourth Proportional to 281,610.88, 422,417.23 and 71,248.82

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Solution

The fourth proportional to 281,610.88, 422,417.23 and 71,248.82 is: 106,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,610.88 : 422,417.23 = 71,248.82 : x
  2. Step 2: Convert to fraction form
    281,610.88/422,417.23 = 71,248.82/x
  3. Step 3: Cross multiply
    281,610.88x = 422,417.23 × 71,248.82
  4. Step 4: Simplify right side
    281,610.88x = 30,096,726,894.96
  5. Step 5: Solve for x
    x = 30,096,726,894.96/281,610.88
  6. Step 6: Final answer
    x = 106,873.45

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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.