Home / 322,985.27-445,716.42-179,742.89

Finding the Fourth Proportional to 322,985.27, 445,716.42 and 179,742.89

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Solution

The fourth proportional to 322,985.27, 445,716.42 and 179,742.89 is: 248,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,985.27 : 445,716.42 = 179,742.89 : x
  2. Step 2: Convert to fraction form
    322,985.27/445,716.42 = 179,742.89/x
  3. Step 3: Cross multiply
    322,985.27x = 445,716.42 × 179,742.89
  4. Step 4: Simplify right side
    322,985.27x = 80,114,357,451.25
  5. Step 5: Solve for x
    x = 80,114,357,451.25/322,985.27
  6. Step 6: Final answer
    x = 248,043.38

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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.