Home / 204,221.28-306,331.68-63,990.84

Finding the Fourth Proportional to 204,221.28, 306,331.68 and 63,990.84

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Solution

The fourth proportional to 204,221.28, 306,331.68 and 63,990.84 is: 95,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,221.28 : 306,331.68 = 63,990.84 : x
  2. Step 2: Convert to fraction form
    204,221.28/306,331.68 = 63,990.84/x
  3. Step 3: Cross multiply
    204,221.28x = 306,331.68 × 63,990.84
  4. Step 4: Simplify right side
    204,221.28x = 19,602,421,521.81
  5. Step 5: Solve for x
    x = 19,602,421,521.81/204,221.28
  6. Step 6: Final answer
    x = 95,986.18

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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.