Home / 298,052.20-447,078.30-140,588.20

Finding the Fourth Proportional to 298,052.20, 447,078.30 and 140,588.20

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Solution

The fourth proportional to 298,052.20, 447,078.30 and 140,588.20 is: 210,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,052.20 : 447,078.30 = 140,588.20 : x
  2. Step 2: Convert to fraction form
    298,052.20/447,078.30 = 140,588.20/x
  3. Step 3: Cross multiply
    298,052.20x = 447,078.30 × 140,588.20
  4. Step 4: Simplify right side
    298,052.20x = 62,853,933,456.06
  5. Step 5: Solve for x
    x = 62,853,933,456.06/298,052.20
  6. Step 6: Final answer
    x = 210,882.30

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1.5x scale

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.