Home / 204,043.90-306,065.85-147,619.30

Finding the Fourth Proportional to 204,043.90, 306,065.85 and 147,619.30

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Solution

The fourth proportional to 204,043.90, 306,065.85 and 147,619.30 is: 221,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,043.90 : 306,065.85 = 147,619.30 : x
  2. Step 2: Convert to fraction form
    204,043.90/306,065.85 = 147,619.30/x
  3. Step 3: Cross multiply
    204,043.90x = 306,065.85 × 147,619.30
  4. Step 4: Simplify right side
    204,043.90x = 45,181,226,530.91
  5. Step 5: Solve for x
    x = 45,181,226,530.91/204,043.90
  6. Step 6: Final answer
    x = 221,428.95

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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.