Home / 340,022.80-508,997.40-199,363.60

Finding the Fourth Proportional to 340,022.80, 508,997.40 and 199,363.60

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Solution

The fourth proportional to 340,022.80, 508,997.40 and 199,363.60 is: 298,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,022.80 : 508,997.40 = 199,363.60 : x
  2. Step 2: Convert to fraction form
    340,022.80/508,997.40 = 199,363.60/x
  3. Step 3: Cross multiply
    340,022.80x = 508,997.40 × 199,363.60
  4. Step 4: Simplify right side
    340,022.80x = 101,475,554,054.64
  5. Step 5: Solve for x
    x = 101,475,554,054.64/340,022.80
  6. Step 6: Final answer
    x = 298,437.50

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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.