Home / 204,427.72-306,617.36-54,679.60

Finding the Fourth Proportional to 204,427.72, 306,617.36 and 54,679.60

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Solution

The fourth proportional to 204,427.72, 306,617.36 and 54,679.60 is: 82,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.72 : 306,617.36 = 54,679.60 : x
  2. Step 2: Convert to fraction form
    204,427.72/306,617.36 = 54,679.60/x
  3. Step 3: Cross multiply
    204,427.72x = 306,617.36 × 54,679.60
  4. Step 4: Simplify right side
    204,427.72x = 16,765,714,597.86
  5. Step 5: Solve for x
    x = 16,765,714,597.86/204,427.72
  6. Step 6: Final answer
    x = 82,012.92

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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.