Home / 248,784.39-343,323.06-135,607.14

Finding the Fourth Proportional to 248,784.39, 343,323.06 and 135,607.14

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Solution

The fourth proportional to 248,784.39, 343,323.06 and 135,607.14 is: 187,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,784.39 : 343,323.06 = 135,607.14 : x
  2. Step 2: Convert to fraction form
    248,784.39/343,323.06 = 135,607.14/x
  3. Step 3: Cross multiply
    248,784.39x = 343,323.06 × 135,607.14
  4. Step 4: Simplify right side
    248,784.39x = 46,557,058,262.65
  5. Step 5: Solve for x
    x = 46,557,058,262.65/248,784.39
  6. Step 6: Final answer
    x = 187,138.18

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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.