Home / 837,422.19-1,256,133.89-206,336.00

Finding the Fourth Proportional to 837,422.19, 1,256,133.89 and 206,336.00

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Solution

The fourth proportional to 837,422.19, 1,256,133.89 and 206,336.00 is: 309,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,422.19 : 1,256,133.89 = 206,336.00 : x
  2. Step 2: Convert to fraction form
    837,422.19/1,256,133.89 = 206,336.00/x
  3. Step 3: Cross multiply
    837,422.19x = 1,256,133.89 × 206,336.00
  4. Step 4: Simplify right side
    837,422.19x = 259,185,645,983.22
  5. Step 5: Solve for x
    x = 259,185,645,983.22/837,422.19
  6. Step 6: Final answer
    x = 309,504.15

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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.