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Finding the Fourth Proportional to 323,989.19, 486,200.70 and 134,449.74

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Solution

The fourth proportional to 323,989.19, 486,200.70 and 134,449.74 is: 201,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,989.19 : 486,200.70 = 134,449.74 : x
  2. Step 2: Convert to fraction form
    323,989.19/486,200.70 = 134,449.74/x
  3. Step 3: Cross multiply
    323,989.19x = 486,200.70 × 134,449.74
  4. Step 4: Simplify right side
    323,989.19x = 65,369,555,879.57
  5. Step 5: Solve for x
    x = 65,369,555,879.57/323,989.19
  6. Step 6: Final answer
    x = 201,764.62

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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.