Home / 395,839.30-546,255.16-214,546.57

Finding the Fourth Proportional to 395,839.30, 546,255.16 and 214,546.57

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Solution

The fourth proportional to 395,839.30, 546,255.16 and 214,546.57 is: 296,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,839.30 : 546,255.16 = 214,546.57 : x
  2. Step 2: Convert to fraction form
    395,839.30/546,255.16 = 214,546.57/x
  3. Step 3: Cross multiply
    395,839.30x = 546,255.16 × 214,546.57
  4. Step 4: Simplify right side
    395,839.30x = 117,197,169,020.80
  5. Step 5: Solve for x
    x = 117,197,169,020.80/395,839.30
  6. Step 6: Final answer
    x = 296,072.60

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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.