Home / 272,376.56-408,567.72-82,867.78

Finding the Fourth Proportional to 272,376.56, 408,567.72 and 82,867.78

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Solution

The fourth proportional to 272,376.56, 408,567.72 and 82,867.78 is: 124,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,376.56 : 408,567.72 = 82,867.78 : x
  2. Step 2: Convert to fraction form
    272,376.56/408,567.72 = 82,867.78/x
  3. Step 3: Cross multiply
    272,376.56x = 408,567.72 × 82,867.78
  4. Step 4: Simplify right side
    272,376.56x = 33,857,099,936.06
  5. Step 5: Solve for x
    x = 33,857,099,936.06/272,376.56
  6. Step 6: Final answer
    x = 124,302.55

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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.