Home / 204,947.40-307,421.10-148,522.80

Finding the Fourth Proportional to 204,947.40, 307,421.10 and 148,522.80

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Solution

The fourth proportional to 204,947.40, 307,421.10 and 148,522.80 is: 222,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,947.40 : 307,421.10 = 148,522.80 : x
  2. Step 2: Convert to fraction form
    204,947.40/307,421.10 = 148,522.80/x
  3. Step 3: Cross multiply
    204,947.40x = 307,421.10 × 148,522.80
  4. Step 4: Simplify right side
    204,947.40x = 45,659,042,551.08
  5. Step 5: Solve for x
    x = 45,659,042,551.08/204,947.40
  6. Step 6: Final answer
    x = 222,784.20

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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.