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Finding the Fourth Proportional to 283,431.73, 425,251.18 and 131,698.89

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Solution

The fourth proportional to 283,431.73, 425,251.18 and 131,698.89 is: 197,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,431.73 : 425,251.18 = 131,698.89 : x
  2. Step 2: Convert to fraction form
    283,431.73/425,251.18 = 131,698.89/x
  3. Step 3: Cross multiply
    283,431.73x = 425,251.18 × 131,698.89
  4. Step 4: Simplify right side
    283,431.73x = 56,005,108,377.19
  5. Step 5: Solve for x
    x = 56,005,108,377.19/283,431.73
  6. Step 6: Final answer
    x = 197,596.47

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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.