Home / 305,449.16-458,247.82-92,204.34

Finding the Fourth Proportional to 305,449.16, 458,247.82 and 92,204.34

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Solution

The fourth proportional to 305,449.16, 458,247.82 and 92,204.34 is: 138,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,449.16 : 458,247.82 = 92,204.34 : x
  2. Step 2: Convert to fraction form
    305,449.16/458,247.82 = 92,204.34/x
  3. Step 3: Cross multiply
    305,449.16x = 458,247.82 × 92,204.34
  4. Step 4: Simplify right side
    305,449.16x = 42,252,435,764.16
  5. Step 5: Solve for x
    x = 42,252,435,764.16/305,449.16
  6. Step 6: Final answer
    x = 138,328.86

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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.