Home / 279,550.41-418,937.67-127,375.60

Finding the Fourth Proportional to 279,550.41, 418,937.67 and 127,375.60

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Solution

The fourth proportional to 279,550.41, 418,937.67 and 127,375.60 is: 190,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,550.41 : 418,937.67 = 127,375.60 : x
  2. Step 2: Convert to fraction form
    279,550.41/418,937.67 = 127,375.60/x
  3. Step 3: Cross multiply
    279,550.41x = 418,937.67 × 127,375.60
  4. Step 4: Simplify right side
    279,550.41x = 53,362,434,984.16
  5. Step 5: Solve for x
    x = 53,362,434,984.16/279,550.41
  6. Step 6: Final answer
    x = 190,886.63

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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.