Home / 395,362.03-545,577.99-231,996.54

Finding the Fourth Proportional to 395,362.03, 545,577.99 and 231,996.54

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Solution

The fourth proportional to 395,362.03, 545,577.99 and 231,996.54 is: 320,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,362.03 : 545,577.99 = 231,996.54 : x
  2. Step 2: Convert to fraction form
    395,362.03/545,577.99 = 231,996.54/x
  3. Step 3: Cross multiply
    395,362.03x = 545,577.99 × 231,996.54
  4. Step 4: Simplify right side
    395,362.03x = 126,572,205,980.16
  5. Step 5: Solve for x
    x = 126,572,205,980.16/395,362.03
  6. Step 6: Final answer
    x = 320,142.54

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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.