Home / 277,195.51-415,789.62-66,831.76

Finding the Fourth Proportional to 277,195.51, 415,789.62 and 66,831.76

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Solution

The fourth proportional to 277,195.51, 415,789.62 and 66,831.76 is: 100,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,195.51 : 415,789.62 = 66,831.76 : x
  2. Step 2: Convert to fraction form
    277,195.51/415,789.62 = 66,831.76/x
  3. Step 3: Cross multiply
    277,195.51x = 415,789.62 × 66,831.76
  4. Step 4: Simplify right side
    277,195.51x = 27,787,952,094.33
  5. Step 5: Solve for x
    x = 27,787,952,094.33/277,195.51
  6. Step 6: Final answer
    x = 100,246.76

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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.