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Finding the Fourth Proportional to 224,433, 309,724.02 and 123,837.48

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Solution

The fourth proportional to 224,433, 309,724.02 and 123,837.48 is: 170,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,433 : 309,724.02 = 123,837.48 : x
  2. Step 2: Convert to fraction form
    224,433/309,724.02 = 123,837.48/x
  3. Step 3: Cross multiply
    224,433x = 309,724.02 × 123,837.48
  4. Step 4: Simplify right side
    224,433x = 38,355,442,132.27
  5. Step 5: Solve for x
    x = 38,355,442,132.27/224,433
  6. Step 6: Final answer
    x = 170,899.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.