Home / 248,584.86-343,047.69-135,405.18

Finding the Fourth Proportional to 248,584.86, 343,047.69 and 135,405.18

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Solution

The fourth proportional to 248,584.86, 343,047.69 and 135,405.18 is: 186,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,584.86 : 343,047.69 = 135,405.18 : x
  2. Step 2: Convert to fraction form
    248,584.86/343,047.69 = 135,405.18/x
  3. Step 3: Cross multiply
    248,584.86x = 343,047.69 × 135,405.18
  4. Step 4: Simplify right side
    248,584.86x = 46,450,434,213.03
  5. Step 5: Solve for x
    x = 46,450,434,213.03/248,584.86
  6. Step 6: Final answer
    x = 186,859.47

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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.