Home / 395,781.28-546,180.06-214,493.56

Finding the Fourth Proportional to 395,781.28, 546,180.06 and 214,493.56

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Solution

The fourth proportional to 395,781.28, 546,180.06 and 214,493.56 is: 296,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,781.28 : 546,180.06 = 214,493.56 : x
  2. Step 2: Convert to fraction form
    395,781.28/546,180.06 = 214,493.56/x
  3. Step 3: Cross multiply
    395,781.28x = 546,180.06 × 214,493.56
  4. Step 4: Simplify right side
    395,781.28x = 117,152,105,470.41
  5. Step 5: Solve for x
    x = 117,152,105,470.41/395,781.28
  6. Step 6: Final answer
    x = 296,002.14

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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.