Home / 322,904.50-445,669.91-213,816.43

Finding the Fourth Proportional to 322,904.50, 445,669.91 and 213,816.43

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Solution

The fourth proportional to 322,904.50, 445,669.91 and 213,816.43 is: 295,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,904.50 : 445,669.91 = 213,816.43 : x
  2. Step 2: Convert to fraction form
    322,904.50/445,669.91 = 213,816.43/x
  3. Step 3: Cross multiply
    322,904.50x = 445,669.91 × 213,816.43
  4. Step 4: Simplify right side
    322,904.50x = 95,291,549,114.62
  5. Step 5: Solve for x
    x = 95,291,549,114.62/322,904.50
  6. Step 6: Final answer
    x = 295,107.53

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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.