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Finding the Fourth Proportional to 378,924.39, 568,340.51 and 236,782.35

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Solution

The fourth proportional to 378,924.39, 568,340.51 and 236,782.35 is: 355,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,924.39 : 568,340.51 = 236,782.35 : x
  2. Step 2: Convert to fraction form
    378,924.39/568,340.51 = 236,782.35/x
  3. Step 3: Cross multiply
    378,924.39x = 568,340.51 × 236,782.35
  4. Step 4: Simplify right side
    378,924.39x = 134,573,000,374.09
  5. Step 5: Solve for x
    x = 134,573,000,374.09/378,924.39
  6. Step 6: Final answer
    x = 355,144.73

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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.