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Finding the Fourth Proportional to 224,175.28, 309,363.96 and 123,576.88

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Solution

The fourth proportional to 224,175.28, 309,363.96 and 123,576.88 is: 170,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,175.28 : 309,363.96 = 123,576.88 : x
  2. Step 2: Convert to fraction form
    224,175.28/309,363.96 = 123,576.88/x
  3. Step 3: Cross multiply
    224,175.28x = 309,363.96 × 123,576.88
  4. Step 4: Simplify right side
    224,175.28x = 38,230,232,961.24
  5. Step 5: Solve for x
    x = 38,230,232,961.24/224,175.28
  6. Step 6: Final answer
    x = 170,537.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.