Home / 272,632.38-408,617.01-145,961.34

Finding the Fourth Proportional to 272,632.38, 408,617.01 and 145,961.34

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Solution

The fourth proportional to 272,632.38, 408,617.01 and 145,961.34 is: 218,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,632.38 : 408,617.01 = 145,961.34 : x
  2. Step 2: Convert to fraction form
    272,632.38/408,617.01 = 145,961.34/x
  3. Step 3: Cross multiply
    272,632.38x = 408,617.01 × 145,961.34
  4. Step 4: Simplify right side
    272,632.38x = 59,642,286,326.39
  5. Step 5: Solve for x
    x = 59,642,286,326.39/272,632.38
  6. Step 6: Final answer
    x = 218,764.50

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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.