Home / 378,834.20-568,252.14-154,035.98

Finding the Fourth Proportional to 378,834.20, 568,252.14 and 154,035.98

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Solution

The fourth proportional to 378,834.20, 568,252.14 and 154,035.98 is: 231,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,834.20 : 568,252.14 = 154,035.98 : x
  2. Step 2: Convert to fraction form
    378,834.20/568,252.14 = 154,035.98/x
  3. Step 3: Cross multiply
    378,834.20x = 568,252.14 × 154,035.98
  4. Step 4: Simplify right side
    378,834.20x = 87,531,275,272.00
  5. Step 5: Solve for x
    x = 87,531,275,272.00/378,834.20
  6. Step 6: Final answer
    x = 231,054.31

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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.