Home / 339,827.00-509,445.25-199,290.38

Finding the Fourth Proportional to 339,827.00, 509,445.25 and 199,290.38

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Solution

The fourth proportional to 339,827.00, 509,445.25 and 199,290.38 is: 298,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,827.00 : 509,445.25 = 199,290.38 : x
  2. Step 2: Convert to fraction form
    339,827.00/509,445.25 = 199,290.38/x
  3. Step 3: Cross multiply
    339,827.00x = 509,445.25 × 199,290.38
  4. Step 4: Simplify right side
    339,827.00x = 101,527,534,416.24
  5. Step 5: Solve for x
    x = 101,527,534,416.24/339,827.00
  6. Step 6: Final answer
    x = 298,762.42

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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.