Home / 322,748.82-445,143.13-208,046.14

Finding the Fourth Proportional to 322,748.82, 445,143.13 and 208,046.14

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Solution

The fourth proportional to 322,748.82, 445,143.13 and 208,046.14 is: 286,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,748.82 : 445,143.13 = 208,046.14 : x
  2. Step 2: Convert to fraction form
    322,748.82/445,143.13 = 208,046.14/x
  3. Step 3: Cross multiply
    322,748.82x = 445,143.13 × 208,046.14
  4. Step 4: Simplify right side
    322,748.82x = 92,610,308,311.05
  5. Step 5: Solve for x
    x = 92,610,308,311.05/322,748.82
  6. Step 6: Final answer
    x = 286,942.36

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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.