Home / 395,984.92-546,490.74-223,939.12

Finding the Fourth Proportional to 395,984.92, 546,490.74 and 223,939.12

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Solution

The fourth proportional to 395,984.92, 546,490.74 and 223,939.12 is: 309,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,984.92 : 546,490.74 = 223,939.12 : x
  2. Step 2: Convert to fraction form
    395,984.92/546,490.74 = 223,939.12/x
  3. Step 3: Cross multiply
    395,984.92x = 546,490.74 × 223,939.12
  4. Step 4: Simplify right side
    395,984.92x = 122,380,655,403.75
  5. Step 5: Solve for x
    x = 122,380,655,403.75/395,984.92
  6. Step 6: Final answer
    x = 309,053.83

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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.