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Finding the Fourth Proportional to 303,545.88, 418,893.84 and 167,580.04

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Solution

The fourth proportional to 303,545.88, 418,893.84 and 167,580.04 is: 231,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,545.88 : 418,893.84 = 167,580.04 : x
  2. Step 2: Convert to fraction form
    303,545.88/418,893.84 = 167,580.04/x
  3. Step 3: Cross multiply
    303,545.88x = 418,893.84 × 167,580.04
  4. Step 4: Simplify right side
    303,545.88x = 70,198,246,462.95
  5. Step 5: Solve for x
    x = 70,198,246,462.95/303,545.88
  6. Step 6: Final answer
    x = 231,260.75

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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.