Home / 421,932.75-582,262.66-228,336.18

Finding the Fourth Proportional to 421,932.75, 582,262.66 and 228,336.18

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Solution

The fourth proportional to 421,932.75, 582,262.66 and 228,336.18 is: 315,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,932.75 : 582,262.66 = 228,336.18 : x
  2. Step 2: Convert to fraction form
    421,932.75/582,262.66 = 228,336.18/x
  3. Step 3: Cross multiply
    421,932.75x = 582,262.66 × 228,336.18
  4. Step 4: Simplify right side
    421,932.75x = 132,951,631,099.98
  5. Step 5: Solve for x
    x = 132,951,631,099.98/421,932.75
  6. Step 6: Final answer
    x = 315,101.47

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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.