Home / 208,867.44-312,906.60-161,890.32

Finding the Fourth Proportional to 208,867.44, 312,906.60 and 161,890.32

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Solution

The fourth proportional to 208,867.44, 312,906.60 and 161,890.32 is: 242,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,867.44 : 312,906.60 = 161,890.32 : x
  2. Step 2: Convert to fraction form
    208,867.44/312,906.60 = 161,890.32/x
  3. Step 3: Cross multiply
    208,867.44x = 312,906.60 × 161,890.32
  4. Step 4: Simplify right side
    208,867.44x = 50,656,549,604.11
  5. Step 5: Solve for x
    x = 50,656,549,604.11/208,867.44
  6. Step 6: Final answer
    x = 242,529.66

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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.