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Finding the Fourth Proportional to 240,057.44, 360,139.73 and 90,298.97

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Solution

The fourth proportional to 240,057.44, 360,139.73 and 90,298.97 is: 135,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,057.44 : 360,139.73 = 90,298.97 : x
  2. Step 2: Convert to fraction form
    240,057.44/360,139.73 = 90,298.97/x
  3. Step 3: Cross multiply
    240,057.44x = 360,139.73 × 90,298.97
  4. Step 4: Simplify right side
    240,057.44x = 32,520,244,422.88
  5. Step 5: Solve for x
    x = 32,520,244,422.88/240,057.44
  6. Step 6: Final answer
    x = 135,468.60

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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.