Home / 204,778.32-307,146.69-54,999.15

Finding the Fourth Proportional to 204,778.32, 307,146.69 and 54,999.15

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Solution

The fourth proportional to 204,778.32, 307,146.69 and 54,999.15 is: 82,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,778.32 : 307,146.69 = 54,999.15 : x
  2. Step 2: Convert to fraction form
    204,778.32/307,146.69 = 54,999.15/x
  3. Step 3: Cross multiply
    204,778.32x = 307,146.69 × 54,999.15
  4. Step 4: Simplify right side
    204,778.32x = 16,892,806,875.31
  5. Step 5: Solve for x
    x = 16,892,806,875.31/204,778.32
  6. Step 6: Final answer
    x = 82,493.14

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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.