Home / 248,997.85-343,618.10-135,823.03

Finding the Fourth Proportional to 248,997.85, 343,618.10 and 135,823.03

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Solution

The fourth proportional to 248,997.85, 343,618.10 and 135,823.03 is: 187,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,997.85 : 343,618.10 = 135,823.03 : x
  2. Step 2: Convert to fraction form
    248,997.85/343,618.10 = 135,823.03/x
  3. Step 3: Cross multiply
    248,997.85x = 343,618.10 × 135,823.03
  4. Step 4: Simplify right side
    248,997.85x = 46,671,250,476.02
  5. Step 5: Solve for x
    x = 46,671,250,476.02/248,997.85
  6. Step 6: Final answer
    x = 187,436.36

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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.