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Finding the Fourth Proportional to 281,898.32, 422,825.42 and 79,486.25

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Solution

The fourth proportional to 281,898.32, 422,825.42 and 79,486.25 is: 119,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,898.32 : 422,825.42 = 79,486.25 : x
  2. Step 2: Convert to fraction form
    281,898.32/422,825.42 = 79,486.25/x
  3. Step 3: Cross multiply
    281,898.32x = 422,825.42 × 79,486.25
  4. Step 4: Simplify right side
    281,898.32x = 33,608,807,040.48
  5. Step 5: Solve for x
    x = 33,608,807,040.48/281,898.32
  6. Step 6: Final answer
    x = 119,223.15

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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.