Home / 270,968.49-406,366.61-253,278.36

Finding the Fourth Proportional to 270,968.49, 406,366.61 and 253,278.36

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Solution

The fourth proportional to 270,968.49, 406,366.61 and 253,278.36 is: 379,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,968.49 : 406,366.61 = 253,278.36 : x
  2. Step 2: Convert to fraction form
    270,968.49/406,366.61 = 253,278.36/x
  3. Step 3: Cross multiply
    270,968.49x = 406,366.61 × 253,278.36
  4. Step 4: Simplify right side
    270,968.49x = 102,923,867,273.17
  5. Step 5: Solve for x
    x = 102,923,867,273.17/270,968.49
  6. Step 6: Final answer
    x = 379,837.03

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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.