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Finding the Fourth Proportional to 240,363.32, 360,290.73 and 90,538.78

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Solution

The fourth proportional to 240,363.32, 360,290.73 and 90,538.78 is: 135,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.32 : 360,290.73 = 90,538.78 : x
  2. Step 2: Convert to fraction form
    240,363.32/360,290.73 = 90,538.78/x
  3. Step 3: Cross multiply
    240,363.32x = 360,290.73 × 90,538.78
  4. Step 4: Simplify right side
    240,363.32x = 32,620,283,253.85
  5. Step 5: Solve for x
    x = 32,620,283,253.85/240,363.32
  6. Step 6: Final answer
    x = 135,712.40

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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.