Home / 372,173.42-513,716.28-211,135.52

Finding the Fourth Proportional to 372,173.42, 513,716.28 and 211,135.52

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Solution

The fourth proportional to 372,173.42, 513,716.28 and 211,135.52 is: 291,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,173.42 : 513,716.28 = 211,135.52 : x
  2. Step 2: Convert to fraction form
    372,173.42/513,716.28 = 211,135.52/x
  3. Step 3: Cross multiply
    372,173.42x = 513,716.28 × 211,135.52
  4. Step 4: Simplify right side
    372,173.42x = 108,463,753,910.27
  5. Step 5: Solve for x
    x = 108,463,753,910.27/372,173.42
  6. Step 6: Final answer
    x = 291,433.37

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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.