Home / 339,979.10-509,968.65-228,004.70

Finding the Fourth Proportional to 339,979.10, 509,968.65 and 228,004.70

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Solution

The fourth proportional to 339,979.10, 509,968.65 and 228,004.70 is: 342,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,979.10 : 509,968.65 = 228,004.70 : x
  2. Step 2: Convert to fraction form
    339,979.10/509,968.65 = 228,004.70/x
  3. Step 3: Cross multiply
    339,979.10x = 509,968.65 × 228,004.70
  4. Step 4: Simplify right side
    339,979.10x = 116,275,249,052.66
  5. Step 5: Solve for x
    x = 116,275,249,052.66/339,979.10
  6. Step 6: Final answer
    x = 342,007.05

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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.