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Finding the Fourth Proportional to 303,126.88, 418,318.15 and 167,166.26

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Solution

The fourth proportional to 303,126.88, 418,318.15 and 167,166.26 is: 230,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,126.88 : 418,318.15 = 167,166.26 : x
  2. Step 2: Convert to fraction form
    303,126.88/418,318.15 = 167,166.26/x
  3. Step 3: Cross multiply
    303,126.88x = 418,318.15 × 167,166.26
  4. Step 4: Simplify right side
    303,126.88x = 69,928,680,625.62
  5. Step 5: Solve for x
    x = 69,928,680,625.62/303,126.88
  6. Step 6: Final answer
    x = 230,691.12

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1.5x scale

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.