Home / 272,532.06-408,815.37-85,550.94

Finding the Fourth Proportional to 272,532.06, 408,815.37 and 85,550.94

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Solution

The fourth proportional to 272,532.06, 408,815.37 and 85,550.94 is: 128,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,532.06 : 408,815.37 = 85,550.94 : x
  2. Step 2: Convert to fraction form
    272,532.06/408,815.37 = 85,550.94/x
  3. Step 3: Cross multiply
    272,532.06x = 408,815.37 × 85,550.94
  4. Step 4: Simplify right side
    272,532.06x = 34,974,539,189.95
  5. Step 5: Solve for x
    x = 34,974,539,189.95/272,532.06
  6. Step 6: Final answer
    x = 128,331.83

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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.