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Finding the Fourth Proportional to 240,337.84, 360,480.79 and 80,395.63

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Solution

The fourth proportional to 240,337.84, 360,480.79 and 80,395.63 is: 120,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,337.84 : 360,480.79 = 80,395.63 : x
  2. Step 2: Convert to fraction form
    240,337.84/360,480.79 = 80,395.63/x
  3. Step 3: Cross multiply
    240,337.84x = 360,480.79 × 80,395.63
  4. Step 4: Simplify right side
    240,337.84x = 28,981,080,214.95
  5. Step 5: Solve for x
    x = 28,981,080,214.95/240,337.84
  6. Step 6: Final answer
    x = 120,584.76

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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.