Home / 395,029.85-545,140.83-222,984.02

Finding the Fourth Proportional to 395,029.85, 545,140.83 and 222,984.02

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Solution

The fourth proportional to 395,029.85, 545,140.83 and 222,984.02 is: 307,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,029.85 : 545,140.83 = 222,984.02 : x
  2. Step 2: Convert to fraction form
    395,029.85/545,140.83 = 222,984.02/x
  3. Step 3: Cross multiply
    395,029.85x = 545,140.83 × 222,984.02
  4. Step 4: Simplify right side
    395,029.85x = 121,557,695,938.58
  5. Step 5: Solve for x
    x = 121,557,695,938.58/395,029.85
  6. Step 6: Final answer
    x = 307,717.75

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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.