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Finding the Fourth Proportional to 450,167.88, 674,502.06 and 316,767.84

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Solution

The fourth proportional to 450,167.88, 674,502.06 and 316,767.84 is: 474,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,167.88 : 674,502.06 = 316,767.84 : x
  2. Step 2: Convert to fraction form
    450,167.88/674,502.06 = 316,767.84/x
  3. Step 3: Cross multiply
    450,167.88x = 674,502.06 × 316,767.84
  4. Step 4: Simplify right side
    450,167.88x = 213,660,560,286.38
  5. Step 5: Solve for x
    x = 213,660,560,286.38/450,167.88
  6. Step 6: Final answer
    x = 474,624.18

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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.