Home / 378,333.24-567,667.02-198,375.68

Finding the Fourth Proportional to 378,333.24, 567,667.02 and 198,375.68

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Solution

The fourth proportional to 378,333.24, 567,667.02 and 198,375.68 is: 297,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,333.24 : 567,667.02 = 198,375.68 : x
  2. Step 2: Convert to fraction form
    378,333.24/567,667.02 = 198,375.68/x
  3. Step 3: Cross multiply
    378,333.24x = 567,667.02 × 198,375.68
  4. Step 4: Simplify right side
    378,333.24x = 112,611,331,106.07
  5. Step 5: Solve for x
    x = 112,611,331,106.07/378,333.24
  6. Step 6: Final answer
    x = 297,651.17

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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.