Home / 347,442.62-479,472.64-196,536.38

Finding the Fourth Proportional to 347,442.62, 479,472.64 and 196,536.38

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Solution

The fourth proportional to 347,442.62, 479,472.64 and 196,536.38 is: 271,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,442.62 : 479,472.64 = 196,536.38 : x
  2. Step 2: Convert to fraction form
    347,442.62/479,472.64 = 196,536.38/x
  3. Step 3: Cross multiply
    347,442.62x = 479,472.64 × 196,536.38
  4. Step 4: Simplify right side
    347,442.62x = 94,233,816,974.64
  5. Step 5: Solve for x
    x = 94,233,816,974.64/347,442.62
  6. Step 6: Final answer
    x = 271,221.24

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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.