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Finding the Fourth Proportional to 277,349.46, 382,770.12 and 169,990.84

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Solution

The fourth proportional to 277,349.46, 382,770.12 and 169,990.84 is: 234,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,349.46 : 382,770.12 = 169,990.84 : x
  2. Step 2: Convert to fraction form
    277,349.46/382,770.12 = 169,990.84/x
  3. Step 3: Cross multiply
    277,349.46x = 382,770.12 × 169,990.84
  4. Step 4: Simplify right side
    277,349.46x = 65,067,414,225.70
  5. Step 5: Solve for x
    x = 65,067,414,225.70/277,349.46
  6. Step 6: Final answer
    x = 234,604.44

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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.