Home / 274,837.27-379,291.01-154,017.48

Finding the Fourth Proportional to 274,837.27, 379,291.01 and 154,017.48

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Solution

The fourth proportional to 274,837.27, 379,291.01 and 154,017.48 is: 212,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,837.27 : 379,291.01 = 154,017.48 : x
  2. Step 2: Convert to fraction form
    274,837.27/379,291.01 = 154,017.48/x
  3. Step 3: Cross multiply
    274,837.27x = 379,291.01 × 154,017.48
  4. Step 4: Simplify right side
    274,837.27x = 58,417,446,373.68
  5. Step 5: Solve for x
    x = 58,417,446,373.68/274,837.27
  6. Step 6: Final answer
    x = 212,552.85

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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.