Home / 395,114.51-545,257.97-213,826.43

Finding the Fourth Proportional to 395,114.51, 545,257.97 and 213,826.43

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Solution

The fourth proportional to 395,114.51, 545,257.97 and 213,826.43 is: 295,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,114.51 : 545,257.97 = 213,826.43 : x
  2. Step 2: Convert to fraction form
    395,114.51/545,257.97 = 213,826.43/x
  3. Step 3: Cross multiply
    395,114.51x = 545,257.97 × 213,826.43
  4. Step 4: Simplify right side
    395,114.51x = 116,590,561,358.73
  5. Step 5: Solve for x
    x = 116,590,561,358.73/395,114.51
  6. Step 6: Final answer
    x = 295,080.44

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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.