Home / 272,176.73-408,280.98-82,643.28

Finding the Fourth Proportional to 272,176.73, 408,280.98 and 82,643.28

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Solution

The fourth proportional to 272,176.73, 408,280.98 and 82,643.28 is: 123,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,176.73 : 408,280.98 = 82,643.28 : x
  2. Step 2: Convert to fraction form
    272,176.73/408,280.98 = 82,643.28/x
  3. Step 3: Cross multiply
    272,176.73x = 408,280.98 × 82,643.28
  4. Step 4: Simplify right side
    272,176.73x = 33,741,677,100.80
  5. Step 5: Solve for x
    x = 33,741,677,100.80/272,176.73
  6. Step 6: Final answer
    x = 123,969.74

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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.