Home / 248,971.45-343,584.69-135,794.20

Finding the Fourth Proportional to 248,971.45, 343,584.69 and 135,794.20

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Solution

The fourth proportional to 248,971.45, 343,584.69 and 135,794.20 is: 187,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,971.45 : 343,584.69 = 135,794.20 : x
  2. Step 2: Convert to fraction form
    248,971.45/343,584.69 = 135,794.20/x
  3. Step 3: Cross multiply
    248,971.45x = 343,584.69 × 135,794.20
  4. Step 4: Simplify right side
    248,971.45x = 46,656,806,392.87
  5. Step 5: Solve for x
    x = 46,656,806,392.87/248,971.45
  6. Step 6: Final answer
    x = 187,398.22

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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.