Home / 208,198.60-312,296.85-50,427.05

Finding the Fourth Proportional to 208,198.60, 312,296.85 and 50,427.05

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Solution

The fourth proportional to 208,198.60, 312,296.85 and 50,427.05 is: 75,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,198.60 : 312,296.85 = 50,427.05 : x
  2. Step 2: Convert to fraction form
    208,198.60/312,296.85 = 50,427.05/x
  3. Step 3: Cross multiply
    208,198.60x = 312,296.85 × 50,427.05
  4. Step 4: Simplify right side
    208,198.60x = 15,748,207,308.31
  5. Step 5: Solve for x
    x = 15,748,207,308.31/208,198.60
  6. Step 6: Final answer
    x = 75,640.31

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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.