Home / 395,584.40-545,908.12-214,296.32

Finding the Fourth Proportional to 395,584.40, 545,908.12 and 214,296.32

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Solution

The fourth proportional to 395,584.40, 545,908.12 and 214,296.32 is: 295,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,584.40 : 545,908.12 = 214,296.32 : x
  2. Step 2: Convert to fraction form
    395,584.40/545,908.12 = 214,296.32/x
  3. Step 3: Cross multiply
    395,584.40x = 545,908.12 × 214,296.32
  4. Step 4: Simplify right side
    395,584.40x = 116,986,101,174.12
  5. Step 5: Solve for x
    x = 116,986,101,174.12/395,584.40
  6. Step 6: Final answer
    x = 295,729.81

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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.