Home / 281,946.57-422,878.70-82,213.29

Finding the Fourth Proportional to 281,946.57, 422,878.70 and 82,213.29

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Solution

The fourth proportional to 281,946.57, 422,878.70 and 82,213.29 is: 123,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,946.57 : 422,878.70 = 82,213.29 : x
  2. Step 2: Convert to fraction form
    281,946.57/422,878.70 = 82,213.29/x
  3. Step 3: Cross multiply
    281,946.57x = 422,878.70 × 82,213.29
  4. Step 4: Simplify right side
    281,946.57x = 34,766,248,786.86
  5. Step 5: Solve for x
    x = 34,766,248,786.86/281,946.57
  6. Step 6: Final answer
    x = 123,307.93

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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.