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Finding the Fourth Proportional to 240,059.80, 360,143.28 and 90,301.33

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Solution

The fourth proportional to 240,059.80, 360,143.28 and 90,301.33 is: 135,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,059.80 : 360,143.28 = 90,301.33 : x
  2. Step 2: Convert to fraction form
    240,059.80/360,143.28 = 90,301.33/x
  3. Step 3: Cross multiply
    240,059.80x = 360,143.28 × 90,301.33
  4. Step 4: Simplify right side
    240,059.80x = 32,521,417,174.56
  5. Step 5: Solve for x
    x = 32,521,417,174.56/240,059.80
  6. Step 6: Final answer
    x = 135,472.15

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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.