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Finding the Fourth Proportional to 240,438.97, 360,424.09 and 100,237.69

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Solution

The fourth proportional to 240,438.97, 360,424.09 and 100,237.69 is: 150,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,438.97 : 360,424.09 = 100,237.69 : x
  2. Step 2: Convert to fraction form
    240,438.97/360,424.09 = 100,237.69/x
  3. Step 3: Cross multiply
    240,438.97x = 360,424.09 × 100,237.69
  4. Step 4: Simplify right side
    240,438.97x = 36,128,078,201.95
  5. Step 5: Solve for x
    x = 36,128,078,201.95/240,438.97
  6. Step 6: Final answer
    x = 150,258.83

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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.