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Finding the Fourth Proportional to 378,383.07, 567,574.61 and 129,067.23

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Solution

The fourth proportional to 378,383.07, 567,574.61 and 129,067.23 is: 193,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,383.07 : 567,574.61 = 129,067.23 : x
  2. Step 2: Convert to fraction form
    378,383.07/567,574.61 = 129,067.23/x
  3. Step 3: Cross multiply
    378,383.07x = 567,574.61 × 129,067.23
  4. Step 4: Simplify right side
    378,383.07x = 73,255,282,085.69
  5. Step 5: Solve for x
    x = 73,255,282,085.69/378,383.07
  6. Step 6: Final answer
    x = 193,600.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.