Home / 378,412.50-566,976.41-228,337.44

Finding the Fourth Proportional to 378,412.50, 566,976.41 and 228,337.44

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Solution

The fourth proportional to 378,412.50, 566,976.41 and 228,337.44 is: 342,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,412.50 : 566,976.41 = 228,337.44 : x
  2. Step 2: Convert to fraction form
    378,412.50/566,976.41 = 228,337.44/x
  3. Step 3: Cross multiply
    378,412.50x = 566,976.41 × 228,337.44
  4. Step 4: Simplify right side
    378,412.50x = 129,461,941,999.79
  5. Step 5: Solve for x
    x = 129,461,941,999.79/378,412.50
  6. Step 6: Final answer
    x = 342,118.57

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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.