Home / 322,631.36-445,092-201,561.92

Finding the Fourth Proportional to 322,631.36, 445,092 and 201,561.92

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Solution

The fourth proportional to 322,631.36, 445,092 and 201,561.92 is: 278,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,631.36 : 445,092 = 201,561.92 : x
  2. Step 2: Convert to fraction form
    322,631.36/445,092 = 201,561.92/x
  3. Step 3: Cross multiply
    322,631.36x = 445,092 × 201,561.92
  4. Step 4: Simplify right side
    322,631.36x = 89,713,598,096.64
  5. Step 5: Solve for x
    x = 89,713,598,096.64/322,631.36
  6. Step 6: Final answer
    x = 278,068.44

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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.