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Finding the Fourth Proportional to 490,074.93, 735,217.02 and 170,236.71

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Solution

The fourth proportional to 490,074.93, 735,217.02 and 170,236.71 is: 255,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,074.93 : 735,217.02 = 170,236.71 : x
  2. Step 2: Convert to fraction form
    490,074.93/735,217.02 = 170,236.71/x
  3. Step 3: Cross multiply
    490,074.93x = 735,217.02 × 170,236.71
  4. Step 4: Simplify right side
    490,074.93x = 125,160,926,620.80
  5. Step 5: Solve for x
    x = 125,160,926,620.80/490,074.93
  6. Step 6: Final answer
    x = 255,391.41

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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.