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Finding the Fourth Proportional to 437,366.70, 655,823.16 and 200,505.42

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Solution

The fourth proportional to 437,366.70, 655,823.16 and 200,505.42 is: 300,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,366.70 : 655,823.16 = 200,505.42 : x
  2. Step 2: Convert to fraction form
    437,366.70/655,823.16 = 200,505.42/x
  3. Step 3: Cross multiply
    437,366.70x = 655,823.16 × 200,505.42
  4. Step 4: Simplify right side
    437,366.70x = 131,496,098,141.53
  5. Step 5: Solve for x
    x = 131,496,098,141.53/437,366.70
  6. Step 6: Final answer
    x = 300,654.12

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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.