Home / 274,152.82-378,313.32-153,304.06

Finding the Fourth Proportional to 274,152.82, 378,313.32 and 153,304.06

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Solution

The fourth proportional to 274,152.82, 378,313.32 and 153,304.06 is: 211,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,152.82 : 378,313.32 = 153,304.06 : x
  2. Step 2: Convert to fraction form
    274,152.82/378,313.32 = 153,304.06/x
  3. Step 3: Cross multiply
    274,152.82x = 378,313.32 × 153,304.06
  4. Step 4: Simplify right side
    274,152.82x = 57,996,967,908.08
  5. Step 5: Solve for x
    x = 57,996,967,908.08/274,152.82
  6. Step 6: Final answer
    x = 211,549.78

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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.