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Finding the Fourth Proportional to 303,167.38, 454,673.50 and 89,885.42

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Solution

The fourth proportional to 303,167.38, 454,673.50 and 89,885.42 is: 134,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,167.38 : 454,673.50 = 89,885.42 : x
  2. Step 2: Convert to fraction form
    303,167.38/454,673.50 = 89,885.42/x
  3. Step 3: Cross multiply
    303,167.38x = 454,673.50 × 89,885.42
  4. Step 4: Simplify right side
    303,167.38x = 40,868,519,075.43
  5. Step 5: Solve for x
    x = 40,868,519,075.43/303,167.38
  6. Step 6: Final answer
    x = 134,805.13

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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.