Home / 283,983.17-425,901.85-84,256.30

Finding the Fourth Proportional to 283,983.17, 425,901.85 and 84,256.30

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Solution

The fourth proportional to 283,983.17, 425,901.85 and 84,256.30 is: 126,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,983.17 : 425,901.85 = 84,256.30 : x
  2. Step 2: Convert to fraction form
    283,983.17/425,901.85 = 84,256.30/x
  3. Step 3: Cross multiply
    283,983.17x = 425,901.85 × 84,256.30
  4. Step 4: Simplify right side
    283,983.17x = 35,884,914,365.89
  5. Step 5: Solve for x
    x = 35,884,914,365.89/283,983.17
  6. Step 6: Final answer
    x = 126,362.82

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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.