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Finding the Fourth Proportional to 323,988.81, 486,200.15 and 134,449.37

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Solution

The fourth proportional to 323,988.81, 486,200.15 and 134,449.37 is: 201,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,988.81 : 486,200.15 = 134,449.37 : x
  2. Step 2: Convert to fraction form
    323,988.81/486,200.15 = 134,449.37/x
  3. Step 3: Cross multiply
    323,988.81x = 486,200.15 × 134,449.37
  4. Step 4: Simplify right side
    323,988.81x = 65,369,300,758.16
  5. Step 5: Solve for x
    x = 65,369,300,758.16/323,988.81
  6. Step 6: Final answer
    x = 201,764.07

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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.