Home / 281,730.29-422,664.75-82,052.55

Finding the Fourth Proportional to 281,730.29, 422,664.75 and 82,052.55

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Solution

The fourth proportional to 281,730.29, 422,664.75 and 82,052.55 is: 123,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,730.29 : 422,664.75 = 82,052.55 : x
  2. Step 2: Convert to fraction form
    281,730.29/422,664.75 = 82,052.55/x
  3. Step 3: Cross multiply
    281,730.29x = 422,664.75 × 82,052.55
  4. Step 4: Simplify right side
    281,730.29x = 34,680,720,532.61
  5. Step 5: Solve for x
    x = 34,680,720,532.61/281,730.29
  6. Step 6: Final answer
    x = 123,099.01

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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.