Home / 339,989.06-469,170.42-187,017.50

Finding the Fourth Proportional to 339,989.06, 469,170.42 and 187,017.50

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Solution

The fourth proportional to 339,989.06, 469,170.42 and 187,017.50 is: 258,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,989.06 : 469,170.42 = 187,017.50 : x
  2. Step 2: Convert to fraction form
    339,989.06/469,170.42 = 187,017.50/x
  3. Step 3: Cross multiply
    339,989.06x = 469,170.42 × 187,017.50
  4. Step 4: Simplify right side
    339,989.06x = 87,743,079,022.35
  5. Step 5: Solve for x
    x = 87,743,079,022.35/339,989.06
  6. Step 6: Final answer
    x = 258,076.18

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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.