Home / 208,016.78-312,024.20-50,244.75

Finding the Fourth Proportional to 208,016.78, 312,024.20 and 50,244.75

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Solution

The fourth proportional to 208,016.78, 312,024.20 and 50,244.75 is: 75,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,016.78 : 312,024.20 = 50,244.75 : x
  2. Step 2: Convert to fraction form
    208,016.78/312,024.20 = 50,244.75/x
  3. Step 3: Cross multiply
    208,016.78x = 312,024.20 × 50,244.75
  4. Step 4: Simplify right side
    208,016.78x = 15,677,577,671.73
  5. Step 5: Solve for x
    x = 15,677,577,671.73/208,016.78
  6. Step 6: Final answer
    x = 75,366.89

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1.5x scale

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.