Home / 272,634.38-408,620.01-145,963.34

Finding the Fourth Proportional to 272,634.38, 408,620.01 and 145,963.34

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Solution

The fourth proportional to 272,634.38, 408,620.01 and 145,963.34 is: 218,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,634.38 : 408,620.01 = 145,963.34 : x
  2. Step 2: Convert to fraction form
    272,634.38/408,620.01 = 145,963.34/x
  3. Step 3: Cross multiply
    272,634.38x = 408,620.01 × 145,963.34
  4. Step 4: Simplify right side
    272,634.38x = 59,643,541,450.43
  5. Step 5: Solve for x
    x = 59,643,541,450.43/272,634.38
  6. Step 6: Final answer
    x = 218,767.50

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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.