Home / 277,339.38-416,071.71-87,811.26

Finding the Fourth Proportional to 277,339.38, 416,071.71 and 87,811.26

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Solution

The fourth proportional to 277,339.38, 416,071.71 and 87,811.26 is: 131,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,339.38 : 416,071.71 = 87,811.26 : x
  2. Step 2: Convert to fraction form
    277,339.38/416,071.71 = 87,811.26/x
  3. Step 3: Cross multiply
    277,339.38x = 416,071.71 × 87,811.26
  4. Step 4: Simplify right side
    277,339.38x = 36,535,781,105.45
  5. Step 5: Solve for x
    x = 36,535,781,105.45/277,339.38
  6. Step 6: Final answer
    x = 131,736.72

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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.