Home / 274,842.32-412,317.95-85,294.59

Finding the Fourth Proportional to 274,842.32, 412,317.95 and 85,294.59

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Solution

The fourth proportional to 274,842.32, 412,317.95 and 85,294.59 is: 127,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,842.32 : 412,317.95 = 85,294.59 : x
  2. Step 2: Convert to fraction form
    274,842.32/412,317.95 = 85,294.59/x
  3. Step 3: Cross multiply
    274,842.32x = 412,317.95 × 85,294.59
  4. Step 4: Simplify right side
    274,842.32x = 35,168,489,241.90
  5. Step 5: Solve for x
    x = 35,168,489,241.90/274,842.32
  6. Step 6: Final answer
    x = 127,958.79

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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.