Home / 439,326.05-606,262.73-245,738.34

Finding the Fourth Proportional to 439,326.05, 606,262.73 and 245,738.34

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Solution

The fourth proportional to 439,326.05, 606,262.73 and 245,738.34 is: 339,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,326.05 : 606,262.73 = 245,738.34 : x
  2. Step 2: Convert to fraction form
    439,326.05/606,262.73 = 245,738.34/x
  3. Step 3: Cross multiply
    439,326.05x = 606,262.73 × 245,738.34
  4. Step 4: Simplify right side
    439,326.05x = 148,981,995,645.38
  5. Step 5: Solve for x
    x = 148,981,995,645.38/439,326.05
  6. Step 6: Final answer
    x = 339,114.87

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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.