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Finding the Fourth Proportional to 503,812.60, 755,062.80 and 204,047.80

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Solution

The fourth proportional to 503,812.60, 755,062.80 and 204,047.80 is: 305,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,812.60 : 755,062.80 = 204,047.80 : x
  2. Step 2: Convert to fraction form
    503,812.60/755,062.80 = 204,047.80/x
  3. Step 3: Cross multiply
    503,812.60x = 755,062.80 × 204,047.80
  4. Step 4: Simplify right side
    503,812.60x = 154,068,903,201.84
  5. Step 5: Solve for x
    x = 154,068,903,201.84/503,812.60
  6. Step 6: Final answer
    x = 305,805.97

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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.