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Finding the Fourth Proportional to 283,770.47, 425,442.48 and 133,925.43

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Solution

The fourth proportional to 283,770.47, 425,442.48 and 133,925.43 is: 200,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,770.47 : 425,442.48 = 133,925.43 : x
  2. Step 2: Convert to fraction form
    283,770.47/425,442.48 = 133,925.43/x
  3. Step 3: Cross multiply
    283,770.47x = 425,442.48 × 133,925.43
  4. Step 4: Simplify right side
    283,770.47x = 56,977,568,167.46
  5. Step 5: Solve for x
    x = 56,977,568,167.46/283,770.47
  6. Step 6: Final answer
    x = 200,787.52

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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.