Home / 204,500.20-306,750.30-64,258.60

Finding the Fourth Proportional to 204,500.20, 306,750.30 and 64,258.60

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Solution

The fourth proportional to 204,500.20, 306,750.30 and 64,258.60 is: 96,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,500.20 : 306,750.30 = 64,258.60 : x
  2. Step 2: Convert to fraction form
    204,500.20/306,750.30 = 64,258.60/x
  3. Step 3: Cross multiply
    204,500.20x = 306,750.30 × 64,258.60
  4. Step 4: Simplify right side
    204,500.20x = 19,711,344,827.58
  5. Step 5: Solve for x
    x = 19,711,344,827.58/204,500.20
  6. Step 6: Final answer
    x = 96,387.90

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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.