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Finding the Fourth Proportional to 274,715.57, 412,119.88 and 94,752.13

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Solution

The fourth proportional to 274,715.57, 412,119.88 and 94,752.13 is: 142,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,715.57 : 412,119.88 = 94,752.13 : x
  2. Step 2: Convert to fraction form
    274,715.57/412,119.88 = 94,752.13/x
  3. Step 3: Cross multiply
    274,715.57x = 412,119.88 × 94,752.13
  4. Step 4: Simplify right side
    274,715.57x = 39,049,236,445.34
  5. Step 5: Solve for x
    x = 39,049,236,445.34/274,715.57
  6. Step 6: Final answer
    x = 142,144.24

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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.