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Finding the Fourth Proportional to 424,375.34, 585,535.18 and 269,270.20

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Solution

The fourth proportional to 424,375.34, 585,535.18 and 269,270.20 is: 371,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,375.34 : 585,535.18 = 269,270.20 : x
  2. Step 2: Convert to fraction form
    424,375.34/585,535.18 = 269,270.20/x
  3. Step 3: Cross multiply
    424,375.34x = 585,535.18 × 269,270.20
  4. Step 4: Simplify right side
    424,375.34x = 157,667,170,751.61
  5. Step 5: Solve for x
    x = 157,667,170,751.61/424,375.34
  6. Step 6: Final answer
    x = 371,527.65

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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.