Home / 272,440.64-408,676.31-82,907.17

Finding the Fourth Proportional to 272,440.64, 408,676.31 and 82,907.17

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Solution

The fourth proportional to 272,440.64, 408,676.31 and 82,907.17 is: 124,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,440.64 : 408,676.31 = 82,907.17 : x
  2. Step 2: Convert to fraction form
    272,440.64/408,676.31 = 82,907.17/x
  3. Step 3: Cross multiply
    272,440.64x = 408,676.31 × 82,907.17
  4. Step 4: Simplify right side
    272,440.64x = 33,882,196,565.40
  5. Step 5: Solve for x
    x = 33,882,196,565.40/272,440.64
  6. Step 6: Final answer
    x = 124,365.43

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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.