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Finding the Fourth Proportional to 503,470, 755,207.03 and 203,956.23

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Solution

The fourth proportional to 503,470, 755,207.03 and 203,956.23 is: 305,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,470 : 755,207.03 = 203,956.23 : x
  2. Step 2: Convert to fraction form
    503,470/755,207.03 = 203,956.23/x
  3. Step 3: Cross multiply
    503,470x = 755,207.03 × 203,956.23
  4. Step 4: Simplify right side
    503,470x = 154,029,178,708.30
  5. Step 5: Solve for x
    x = 154,029,178,708.30/503,470
  6. Step 6: Final answer
    x = 305,935.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.