Home / 268,996.06-371,207.19-154,293.94

Finding the Fourth Proportional to 268,996.06, 371,207.19 and 154,293.94

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Solution

The fourth proportional to 268,996.06, 371,207.19 and 154,293.94 is: 212,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,996.06 : 371,207.19 = 154,293.94 : x
  2. Step 2: Convert to fraction form
    268,996.06/371,207.19 = 154,293.94/x
  3. Step 3: Cross multiply
    268,996.06x = 371,207.19 × 154,293.94
  4. Step 4: Simplify right side
    268,996.06x = 57,275,019,901.43
  5. Step 5: Solve for x
    x = 57,275,019,901.43/268,996.06
  6. Step 6: Final answer
    x = 212,921.41

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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.