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Finding the Fourth Proportional to 240,290.14, 360,472.57 and 80,316.56

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Solution

The fourth proportional to 240,290.14, 360,472.57 and 80,316.56 is: 120,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,290.14 : 360,472.57 = 80,316.56 : x
  2. Step 2: Convert to fraction form
    240,290.14/360,472.57 = 80,316.56/x
  3. Step 3: Cross multiply
    240,290.14x = 360,472.57 × 80,316.56
  4. Step 4: Simplify right side
    240,290.14x = 28,951,914,994.40
  5. Step 5: Solve for x
    x = 28,951,914,994.40/240,290.14
  6. Step 6: Final answer
    x = 120,487.32

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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.