Home / 275,066.21-379,591.12-154,207.52

Finding the Fourth Proportional to 275,066.21, 379,591.12 and 154,207.52

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Solution

The fourth proportional to 275,066.21, 379,591.12 and 154,207.52 is: 212,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,066.21 : 379,591.12 = 154,207.52 : x
  2. Step 2: Convert to fraction form
    275,066.21/379,591.12 = 154,207.52/x
  3. Step 3: Cross multiply
    275,066.21x = 379,591.12 × 154,207.52
  4. Step 4: Simplify right side
    275,066.21x = 58,535,805,229.22
  5. Step 5: Solve for x
    x = 58,535,805,229.22/275,066.21
  6. Step 6: Final answer
    x = 212,806.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.