Home / 395,769.49-546,162.35-214,481.40

Finding the Fourth Proportional to 395,769.49, 546,162.35 and 214,481.40

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Solution

The fourth proportional to 395,769.49, 546,162.35 and 214,481.40 is: 295,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,769.49 : 546,162.35 = 214,481.40 : x
  2. Step 2: Convert to fraction form
    395,769.49/546,162.35 = 214,481.40/x
  3. Step 3: Cross multiply
    395,769.49x = 546,162.35 × 214,481.40
  4. Step 4: Simplify right side
    395,769.49x = 117,141,665,406.94
  5. Step 5: Solve for x
    x = 117,141,665,406.94/395,769.49
  6. Step 6: Final answer
    x = 295,984.58

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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.