Home / 277,824.64-416,795.36-90,821.44

Finding the Fourth Proportional to 277,824.64, 416,795.36 and 90,821.44

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Solution

The fourth proportional to 277,824.64, 416,795.36 and 90,821.44 is: 136,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,824.64 : 416,795.36 = 90,821.44 : x
  2. Step 2: Convert to fraction form
    277,824.64/416,795.36 = 90,821.44/x
  3. Step 3: Cross multiply
    277,824.64x = 416,795.36 × 90,821.44
  4. Step 4: Simplify right side
    277,824.64x = 37,853,954,780.52
  5. Step 5: Solve for x
    x = 37,853,954,780.52/277,824.64
  6. Step 6: Final answer
    x = 136,251.25

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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.