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Finding the Fourth Proportional to 277,246.60, 415,866.06 and 66,882.76

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Solution

The fourth proportional to 277,246.60, 415,866.06 and 66,882.76 is: 100,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,246.60 : 415,866.06 = 66,882.76 : x
  2. Step 2: Convert to fraction form
    277,246.60/415,866.06 = 66,882.76/x
  3. Step 3: Cross multiply
    277,246.60x = 415,866.06 × 66,882.76
  4. Step 4: Simplify right side
    277,246.60x = 27,814,269,883.13
  5. Step 5: Solve for x
    x = 27,814,269,883.13/277,246.60
  6. Step 6: Final answer
    x = 100,323.21

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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.