Home / 283,618.72-425,423.28-83,938

Finding the Fourth Proportional to 283,618.72, 425,423.28 and 83,938

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Solution

The fourth proportional to 283,618.72, 425,423.28 and 83,938 is: 125,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,618.72 : 425,423.28 = 83,938 : x
  2. Step 2: Convert to fraction form
    283,618.72/425,423.28 = 83,938/x
  3. Step 3: Cross multiply
    283,618.72x = 425,423.28 × 83,938
  4. Step 4: Simplify right side
    283,618.72x = 35,709,179,276.64
  5. Step 5: Solve for x
    x = 35,709,179,276.64/283,618.72
  6. Step 6: Final answer
    x = 125,905.58

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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.