Home / 343,733.31-515,976.98-273,109.77

Finding the Fourth Proportional to 343,733.31, 515,976.98 and 273,109.77

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Solution

The fourth proportional to 343,733.31, 515,976.98 and 273,109.77 is: 409,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,733.31 : 515,976.98 = 273,109.77 : x
  2. Step 2: Convert to fraction form
    343,733.31/515,976.98 = 273,109.77/x
  3. Step 3: Cross multiply
    343,733.31x = 515,976.98 × 273,109.77
  4. Step 4: Simplify right side
    343,733.31x = 140,918,352,967.55
  5. Step 5: Solve for x
    x = 140,918,352,967.55/343,733.31
  6. Step 6: Final answer
    x = 409,964.20

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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.