Home / 248,982.78-343,596.18-135,805.50

Finding the Fourth Proportional to 248,982.78, 343,596.18 and 135,805.50

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Solution

The fourth proportional to 248,982.78, 343,596.18 and 135,805.50 is: 187,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,982.78 : 343,596.18 = 135,805.50 : x
  2. Step 2: Convert to fraction form
    248,982.78/343,596.18 = 135,805.50/x
  3. Step 3: Cross multiply
    248,982.78x = 343,596.18 × 135,805.50
  4. Step 4: Simplify right side
    248,982.78x = 46,662,251,022.99
  5. Step 5: Solve for x
    x = 46,662,251,022.99/248,982.78
  6. Step 6: Final answer
    x = 187,411.56

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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.