Home / 395,290.22-545,496.60-213,997.36

Finding the Fourth Proportional to 395,290.22, 545,496.60 and 213,997.36

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Solution

The fourth proportional to 395,290.22, 545,496.60 and 213,997.36 is: 295,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,290.22 : 545,496.60 = 213,997.36 : x
  2. Step 2: Convert to fraction form
    395,290.22/545,496.60 = 213,997.36/x
  3. Step 3: Cross multiply
    395,290.22x = 545,496.60 × 213,997.36
  4. Step 4: Simplify right side
    395,290.22x = 116,734,832,288.98
  5. Step 5: Solve for x
    x = 116,734,832,288.98/395,290.22
  6. Step 6: Final answer
    x = 295,314.24

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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.