Home / 322,623.40-483,935.10-204,428.20

Finding the Fourth Proportional to 322,623.40, 483,935.10 and 204,428.20

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Solution

The fourth proportional to 322,623.40, 483,935.10 and 204,428.20 is: 306,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,623.40 : 483,935.10 = 204,428.20 : x
  2. Step 2: Convert to fraction form
    322,623.40/483,935.10 = 204,428.20/x
  3. Step 3: Cross multiply
    322,623.40x = 483,935.10 × 204,428.20
  4. Step 4: Simplify right side
    322,623.40x = 98,929,981,409.82
  5. Step 5: Solve for x
    x = 98,929,981,409.82/322,623.40
  6. Step 6: Final answer
    x = 306,642.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.