Home / 343,719.29-515,540.73-107,042.15

Finding the Fourth Proportional to 343,719.29, 515,540.73 and 107,042.15

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Solution

The fourth proportional to 343,719.29, 515,540.73 and 107,042.15 is: 160,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,719.29 : 515,540.73 = 107,042.15 : x
  2. Step 2: Convert to fraction form
    343,719.29/515,540.73 = 107,042.15/x
  3. Step 3: Cross multiply
    343,719.29x = 515,540.73 × 107,042.15
  4. Step 4: Simplify right side
    343,719.29x = 55,184,588,151.77
  5. Step 5: Solve for x
    x = 55,184,588,151.77/343,719.29
  6. Step 6: Final answer
    x = 160,551.33

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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.