Home / 395,664.66-546,016.50-214,381.20

Finding the Fourth Proportional to 395,664.66, 546,016.50 and 214,381.20

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Solution

The fourth proportional to 395,664.66, 546,016.50 and 214,381.20 is: 295,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,664.66 : 546,016.50 = 214,381.20 : x
  2. Step 2: Convert to fraction form
    395,664.66/546,016.50 = 214,381.20/x
  3. Step 3: Cross multiply
    395,664.66x = 546,016.50 × 214,381.20
  4. Step 4: Simplify right side
    395,664.66x = 117,055,672,489.80
  5. Step 5: Solve for x
    x = 117,055,672,489.80/395,664.66
  6. Step 6: Final answer
    x = 295,845.66

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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.