Home / 248,716.38-343,227.47-135,539.10

Finding the Fourth Proportional to 248,716.38, 343,227.47 and 135,539.10

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Solution

The fourth proportional to 248,716.38, 343,227.47 and 135,539.10 is: 187,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.38 : 343,227.47 = 135,539.10 : x
  2. Step 2: Convert to fraction form
    248,716.38/343,227.47 = 135,539.10/x
  3. Step 3: Cross multiply
    248,716.38x = 343,227.47 × 135,539.10
  4. Step 4: Simplify right side
    248,716.38x = 46,520,742,379.08
  5. Step 5: Solve for x
    x = 46,520,742,379.08/248,716.38
  6. Step 6: Final answer
    x = 187,043.34

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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.