Home / 248,840.68-343,397.22-135,664.36

Finding the Fourth Proportional to 248,840.68, 343,397.22 and 135,664.36

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Solution

The fourth proportional to 248,840.68, 343,397.22 and 135,664.36 is: 187,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.68 : 343,397.22 = 135,664.36 : x
  2. Step 2: Convert to fraction form
    248,840.68/343,397.22 = 135,664.36/x
  3. Step 3: Cross multiply
    248,840.68x = 343,397.22 × 135,664.36
  4. Step 4: Simplify right side
    248,840.68x = 46,586,764,077.08
  5. Step 5: Solve for x
    x = 46,586,764,077.08/248,840.68
  6. Step 6: Final answer
    x = 187,215.23

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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.