Home / 331,419.18-457,212.96-223,950

Finding the Fourth Proportional to 331,419.18, 457,212.96 and 223,950

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Solution

The fourth proportional to 331,419.18, 457,212.96 and 223,950 is: 308,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,419.18 : 457,212.96 = 223,950 : x
  2. Step 2: Convert to fraction form
    331,419.18/457,212.96 = 223,950/x
  3. Step 3: Cross multiply
    331,419.18x = 457,212.96 × 223,950
  4. Step 4: Simplify right side
    331,419.18x = 102,392,842,392
  5. Step 5: Solve for x
    x = 102,392,842,392/331,419.18
  6. Step 6: Final answer
    x = 308,952.68

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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.