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Finding the Fourth Proportional to 270,099.92, 404,121.92 and 163,090

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Solution

The fourth proportional to 270,099.92, 404,121.92 and 163,090 is: 244,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,099.92 : 404,121.92 = 163,090 : x
  2. Step 2: Convert to fraction form
    270,099.92/404,121.92 = 163,090/x
  3. Step 3: Cross multiply
    270,099.92x = 404,121.92 × 163,090
  4. Step 4: Simplify right side
    270,099.92x = 65,908,243,932.80
  5. Step 5: Solve for x
    x = 65,908,243,932.80/270,099.92
  6. Step 6: Final answer
    x = 244,014.30

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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.