Home / 283,020.60-423,961.02-131,003.40

Finding the Fourth Proportional to 283,020.60, 423,961.02 and 131,003.40

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Solution

The fourth proportional to 283,020.60, 423,961.02 and 131,003.40 is: 196,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,020.60 : 423,961.02 = 131,003.40 : x
  2. Step 2: Convert to fraction form
    283,020.60/423,961.02 = 131,003.40/x
  3. Step 3: Cross multiply
    283,020.60x = 423,961.02 × 131,003.40
  4. Step 4: Simplify right side
    283,020.60x = 55,540,335,087.47
  5. Step 5: Solve for x
    x = 55,540,335,087.47/283,020.60
  6. Step 6: Final answer
    x = 196,241.32

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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.