Home / 204,470.20-306,705.30-64,228.60

Finding the Fourth Proportional to 204,470.20, 306,705.30 and 64,228.60

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Solution

The fourth proportional to 204,470.20, 306,705.30 and 64,228.60 is: 96,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,470.20 : 306,705.30 = 64,228.60 : x
  2. Step 2: Convert to fraction form
    204,470.20/306,705.30 = 64,228.60/x
  3. Step 3: Cross multiply
    204,470.20x = 306,705.30 × 64,228.60
  4. Step 4: Simplify right side
    204,470.20x = 19,699,252,031.58
  5. Step 5: Solve for x
    x = 19,699,252,031.58/204,470.20
  6. Step 6: Final answer
    x = 96,342.90

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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.