Home / 339,977.10-509,965.65-228,002.70

Finding the Fourth Proportional to 339,977.10, 509,965.65 and 228,002.70

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Solution

The fourth proportional to 339,977.10, 509,965.65 and 228,002.70 is: 342,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977.10 : 509,965.65 = 228,002.70 : x
  2. Step 2: Convert to fraction form
    339,977.10/509,965.65 = 228,002.70/x
  3. Step 3: Cross multiply
    339,977.10x = 509,965.65 × 228,002.70
  4. Step 4: Simplify right side
    339,977.10x = 116,273,545,107.26
  5. Step 5: Solve for x
    x = 116,273,545,107.26/339,977.10
  6. Step 6: Final answer
    x = 342,004.05

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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.