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Finding the Fourth Proportional to 240,363.57, 360,291.11 and 90,539.03

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Solution

The fourth proportional to 240,363.57, 360,291.11 and 90,539.03 is: 135,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.57 : 360,291.11 = 90,539.03 : x
  2. Step 2: Convert to fraction form
    240,363.57/360,291.11 = 90,539.03/x
  3. Step 3: Cross multiply
    240,363.57x = 360,291.11 × 90,539.03
  4. Step 4: Simplify right side
    240,363.57x = 32,620,407,390.68
  5. Step 5: Solve for x
    x = 32,620,407,390.68/240,363.57
  6. Step 6: Final answer
    x = 135,712.78

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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.