Home / 343,680.22-515,313.24-154,106.27

Finding the Fourth Proportional to 343,680.22, 515,313.24 and 154,106.27

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Solution

The fourth proportional to 343,680.22, 515,313.24 and 154,106.27 is: 231,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,680.22 : 515,313.24 = 154,106.27 : x
  2. Step 2: Convert to fraction form
    343,680.22/515,313.24 = 154,106.27/x
  3. Step 3: Cross multiply
    343,680.22x = 515,313.24 × 154,106.27
  4. Step 4: Simplify right side
    343,680.22x = 79,413,002,392.14
  5. Step 5: Solve for x
    x = 79,413,002,392.14/343,680.22
  6. Step 6: Final answer
    x = 231,066.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.