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Finding the Fourth Proportional to 452,890.56, 679,522.14 and 200,037.72

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Solution

The fourth proportional to 452,890.56, 679,522.14 and 200,037.72 is: 300,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,890.56 : 679,522.14 = 200,037.72 : x
  2. Step 2: Convert to fraction form
    452,890.56/679,522.14 = 200,037.72/x
  3. Step 3: Cross multiply
    452,890.56x = 679,522.14 × 200,037.72
  4. Step 4: Simplify right side
    452,890.56x = 135,930,059,575.12
  5. Step 5: Solve for x
    x = 135,930,059,575.12/452,890.56
  6. Step 6: Final answer
    x = 300,138.87

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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.