Home / 345,803.24-518,268.54-185,481.56

Finding the Fourth Proportional to 345,803.24, 518,268.54 and 185,481.56

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Solution

The fourth proportional to 345,803.24, 518,268.54 and 185,481.56 is: 277,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,803.24 : 518,268.54 = 185,481.56 : x
  2. Step 2: Convert to fraction form
    345,803.24/518,268.54 = 185,481.56/x
  3. Step 3: Cross multiply
    345,803.24x = 518,268.54 × 185,481.56
  4. Step 4: Simplify right side
    345,803.24x = 96,129,257,298.12
  5. Step 5: Solve for x
    x = 96,129,257,298.12/345,803.24
  6. Step 6: Final answer
    x = 277,988.31

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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.