Home / 248,554.03-343,005.24-135,376.78

Finding the Fourth Proportional to 248,554.03, 343,005.24 and 135,376.78

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Solution

The fourth proportional to 248,554.03, 343,005.24 and 135,376.78 is: 186,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,554.03 : 343,005.24 = 135,376.78 : x
  2. Step 2: Convert to fraction form
    248,554.03/343,005.24 = 135,376.78/x
  3. Step 3: Cross multiply
    248,554.03x = 343,005.24 × 135,376.78
  4. Step 4: Simplify right side
    248,554.03x = 46,434,944,914.33
  5. Step 5: Solve for x
    x = 46,434,944,914.33/248,554.03
  6. Step 6: Final answer
    x = 186,820.33

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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.