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Finding the Fourth Proportional to 303,597.06, 418,961.97 and 167,639.64

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Solution

The fourth proportional to 303,597.06, 418,961.97 and 167,639.64 is: 231,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,597.06 : 418,961.97 = 167,639.64 : x
  2. Step 2: Convert to fraction form
    303,597.06/418,961.97 = 167,639.64/x
  3. Step 3: Cross multiply
    303,597.06x = 418,961.97 × 167,639.64
  4. Step 4: Simplify right side
    303,597.06x = 70,234,633,824.49
  5. Step 5: Solve for x
    x = 70,234,633,824.49/303,597.06
  6. Step 6: Final answer
    x = 231,341.61

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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.