Home / 395,042.23-545,157.19-213,757.25

Finding the Fourth Proportional to 395,042.23, 545,157.19 and 213,757.25

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Solution

The fourth proportional to 395,042.23, 545,157.19 and 213,757.25 is: 294,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,042.23 : 545,157.19 = 213,757.25 : x
  2. Step 2: Convert to fraction form
    395,042.23/545,157.19 = 213,757.25/x
  3. Step 3: Cross multiply
    395,042.23x = 545,157.19 × 213,757.25
  4. Step 4: Simplify right side
    395,042.23x = 116,531,298,091.15
  5. Step 5: Solve for x
    x = 116,531,298,091.15/395,042.23
  6. Step 6: Final answer
    x = 294,984.41

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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.