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Finding the Fourth Proportional to 239,067.86, 358,544.37 and 70,542.65

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Solution

The fourth proportional to 239,067.86, 358,544.37 and 70,542.65 is: 105,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,067.86 : 358,544.37 = 70,542.65 : x
  2. Step 2: Convert to fraction form
    239,067.86/358,544.37 = 70,542.65/x
  3. Step 3: Cross multiply
    239,067.86x = 358,544.37 × 70,542.65
  4. Step 4: Simplify right side
    239,067.86x = 25,292,669,146.46
  5. Step 5: Solve for x
    x = 25,292,669,146.46/239,067.86
  6. Step 6: Final answer
    x = 105,797.03

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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.