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Finding the Fourth Proportional to 270,877, 373,686.20 and 175,414.48

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Solution

The fourth proportional to 270,877, 373,686.20 and 175,414.48 is: 241,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,877 : 373,686.20 = 175,414.48 : x
  2. Step 2: Convert to fraction form
    270,877/373,686.20 = 175,414.48/x
  3. Step 3: Cross multiply
    270,877x = 373,686.20 × 175,414.48
  4. Step 4: Simplify right side
    270,877x = 65,549,970,456.18
  5. Step 5: Solve for x
    x = 65,549,970,456.18/270,877
  6. Step 6: Final answer
    x = 241,991.64

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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.