Home / 272,076.60-408,115.86-82,538.62

Finding the Fourth Proportional to 272,076.60, 408,115.86 and 82,538.62

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Solution

The fourth proportional to 272,076.60, 408,115.86 and 82,538.62 is: 123,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,076.60 : 408,115.86 = 82,538.62 : x
  2. Step 2: Convert to fraction form
    272,076.60/408,115.86 = 82,538.62/x
  3. Step 3: Cross multiply
    272,076.60x = 408,115.86 × 82,538.62
  4. Step 4: Simplify right side
    272,076.60x = 33,685,319,884.51
  5. Step 5: Solve for x
    x = 33,685,319,884.51/272,076.60
  6. Step 6: Final answer
    x = 123,808.22

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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.