Home / 367,721.20-507,514.30-343,707.94

Finding the Fourth Proportional to 367,721.20, 507,514.30 and 343,707.94

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Solution

The fourth proportional to 367,721.20, 507,514.30 and 343,707.94 is: 474,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,721.20 : 507,514.30 = 343,707.94 : x
  2. Step 2: Convert to fraction form
    367,721.20/507,514.30 = 343,707.94/x
  3. Step 3: Cross multiply
    367,721.20x = 507,514.30 × 343,707.94
  4. Step 4: Simplify right side
    367,721.20x = 174,436,694,573.54
  5. Step 5: Solve for x
    x = 174,436,694,573.54/367,721.20
  6. Step 6: Final answer
    x = 474,372.15

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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.