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Finding the Fourth Proportional to 240,338.84, 360,482.29 and 80,396.63

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Solution

The fourth proportional to 240,338.84, 360,482.29 and 80,396.63 is: 120,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,338.84 : 360,482.29 = 80,396.63 : x
  2. Step 2: Convert to fraction form
    240,338.84/360,482.29 = 80,396.63/x
  3. Step 3: Cross multiply
    240,338.84x = 360,482.29 × 80,396.63
  4. Step 4: Simplify right side
    240,338.84x = 28,981,561,290.68
  5. Step 5: Solve for x
    x = 28,981,561,290.68/240,338.84
  6. Step 6: Final answer
    x = 120,586.26

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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.