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Finding the Fourth Proportional to 396,527, 547,136.70 and 224,444.12

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Solution

The fourth proportional to 396,527, 547,136.70 and 224,444.12 is: 309,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,527 : 547,136.70 = 224,444.12 : x
  2. Step 2: Convert to fraction form
    396,527/547,136.70 = 224,444.12/x
  3. Step 3: Cross multiply
    396,527x = 547,136.70 × 224,444.12
  4. Step 4: Simplify right side
    396,527x = 122,801,615,151.20
  5. Step 5: Solve for x
    x = 122,801,615,151.20/396,527
  6. Step 6: Final answer
    x = 309,692.95

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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.