Home / 395,320.38-545,542.44-214,032.42

Finding the Fourth Proportional to 395,320.38, 545,542.44 and 214,032.42

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Solution

The fourth proportional to 395,320.38, 545,542.44 and 214,032.42 is: 295,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,320.38 : 545,542.44 = 214,032.42 : x
  2. Step 2: Convert to fraction form
    395,320.38/545,542.44 = 214,032.42/x
  3. Step 3: Cross multiply
    395,320.38x = 545,542.44 × 214,032.42
  4. Step 4: Simplify right side
    395,320.38x = 116,763,768,645.91
  5. Step 5: Solve for x
    x = 116,763,768,645.91/395,320.38
  6. Step 6: Final answer
    x = 295,364.91

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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.