Home / 378,631.53-566,941.26-228,668.94

Finding the Fourth Proportional to 378,631.53, 566,941.26 and 228,668.94

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Solution

The fourth proportional to 378,631.53, 566,941.26 and 228,668.94 is: 342,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,631.53 : 566,941.26 = 228,668.94 : x
  2. Step 2: Convert to fraction form
    378,631.53/566,941.26 = 228,668.94/x
  3. Step 3: Cross multiply
    378,631.53x = 566,941.26 × 228,668.94
  4. Step 4: Simplify right side
    378,631.53x = 129,641,856,966.46
  5. Step 5: Solve for x
    x = 129,641,856,966.46/378,631.53
  6. Step 6: Final answer
    x = 342,395.83

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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.