Home / 339,946.80-508,883.40-199,287.60

Finding the Fourth Proportional to 339,946.80, 508,883.40 and 199,287.60

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Solution

The fourth proportional to 339,946.80, 508,883.40 and 199,287.60 is: 298,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,946.80 : 508,883.40 = 199,287.60 : x
  2. Step 2: Convert to fraction form
    339,946.80/508,883.40 = 199,287.60/x
  3. Step 3: Cross multiply
    339,946.80x = 508,883.40 × 199,287.60
  4. Step 4: Simplify right side
    339,946.80x = 101,414,151,465.84
  5. Step 5: Solve for x
    x = 101,414,151,465.84/339,946.80
  6. Step 6: Final answer
    x = 298,323.59

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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.