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Finding the Fourth Proportional to 270,695.52, 373,551.39 and 155,974.39

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Solution

The fourth proportional to 270,695.52, 373,551.39 and 155,974.39 is: 215,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,695.52 : 373,551.39 = 155,974.39 : x
  2. Step 2: Convert to fraction form
    270,695.52/373,551.39 = 155,974.39/x
  3. Step 3: Cross multiply
    270,695.52x = 373,551.39 × 155,974.39
  4. Step 4: Simplify right side
    270,695.52x = 58,264,450,188.90
  5. Step 5: Solve for x
    x = 58,264,450,188.90/270,695.52
  6. Step 6: Final answer
    x = 215,239.80

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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.