Home / 279,569.75-419,310.88-92,581.25

Finding the Fourth Proportional to 279,569.75, 419,310.88 and 92,581.25

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Solution

The fourth proportional to 279,569.75, 419,310.88 and 92,581.25 is: 138,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,569.75 : 419,310.88 = 92,581.25 : x
  2. Step 2: Convert to fraction form
    279,569.75/419,310.88 = 92,581.25/x
  3. Step 3: Cross multiply
    279,569.75x = 419,310.88 × 92,581.25
  4. Step 4: Simplify right side
    279,569.75x = 38,820,323,080.99
  5. Step 5: Solve for x
    x = 38,820,323,080.99/279,569.75
  6. Step 6: Final answer
    x = 138,857.38

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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.