Home / 290,066.92-400,286.11-160,997.85

Finding the Fourth Proportional to 290,066.92, 400,286.11 and 160,997.85

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Solution

The fourth proportional to 290,066.92, 400,286.11 and 160,997.85 is: 222,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,066.92 : 400,286.11 = 160,997.85 : x
  2. Step 2: Convert to fraction form
    290,066.92/400,286.11 = 160,997.85/x
  3. Step 3: Cross multiply
    290,066.92x = 400,286.11 × 160,997.85
  4. Step 4: Simplify right side
    290,066.92x = 64,445,203,094.86
  5. Step 5: Solve for x
    x = 64,445,203,094.86/290,066.92
  6. Step 6: Final answer
    x = 222,173.57

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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.