Home / 327,623.82-452,260.36-220,256.15

Finding the Fourth Proportional to 327,623.82, 452,260.36 and 220,256.15

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Solution

The fourth proportional to 327,623.82, 452,260.36 and 220,256.15 is: 304,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,623.82 : 452,260.36 = 220,256.15 : x
  2. Step 2: Convert to fraction form
    327,623.82/452,260.36 = 220,256.15/x
  3. Step 3: Cross multiply
    327,623.82x = 452,260.36 × 220,256.15
  4. Step 4: Simplify right side
    327,623.82x = 99,613,123,705.23
  5. Step 5: Solve for x
    x = 99,613,123,705.23/327,623.82
  6. Step 6: Final answer
    x = 304,047.26

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1.5x scale

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.