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Finding the Fourth Proportional to 303,369.06, 418,675.77 and 167,415.78

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Solution

The fourth proportional to 303,369.06, 418,675.77 and 167,415.78 is: 231,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,369.06 : 418,675.77 = 167,415.78 : x
  2. Step 2: Convert to fraction form
    303,369.06/418,675.77 = 167,415.78/x
  3. Step 3: Cross multiply
    303,369.06x = 418,675.77 × 167,415.78
  4. Step 4: Simplify right side
    303,369.06x = 70,092,930,601.65
  5. Step 5: Solve for x
    x = 70,092,930,601.65/303,369.06
  6. Step 6: Final answer
    x = 231,048.38

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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.