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Finding the Fourth Proportional to 272,452.57, 408,674.29 and 122,586.78

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Solution

The fourth proportional to 272,452.57, 408,674.29 and 122,586.78 is: 183,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,452.57 : 408,674.29 = 122,586.78 : x
  2. Step 2: Convert to fraction form
    272,452.57/408,674.29 = 122,586.78/x
  3. Step 3: Cross multiply
    272,452.57x = 408,674.29 × 122,586.78
  4. Step 4: Simplify right side
    272,452.57x = 50,098,065,279.89
  5. Step 5: Solve for x
    x = 50,098,065,279.89/272,452.57
  6. Step 6: Final answer
    x = 183,878.12

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1.5x scale

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.