Home / 248,985.38-343,599.83-135,808.13

Finding the Fourth Proportional to 248,985.38, 343,599.83 and 135,808.13

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Solution

The fourth proportional to 248,985.38, 343,599.83 and 135,808.13 is: 187,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,985.38 : 343,599.83 = 135,808.13 : x
  2. Step 2: Convert to fraction form
    248,985.38/343,599.83 = 135,808.13/x
  3. Step 3: Cross multiply
    248,985.38x = 343,599.83 × 135,808.13
  4. Step 4: Simplify right side
    248,985.38x = 46,663,647,983.58
  5. Step 5: Solve for x
    x = 46,663,647,983.58/248,985.38
  6. Step 6: Final answer
    x = 187,415.22

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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.