Home / 206,584.94-309,979.48-122,341.70

Finding the Fourth Proportional to 206,584.94, 309,979.48 and 122,341.70

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Solution

The fourth proportional to 206,584.94, 309,979.48 and 122,341.70 is: 183,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,584.94 : 309,979.48 = 122,341.70 : x
  2. Step 2: Convert to fraction form
    206,584.94/309,979.48 = 122,341.70/x
  3. Step 3: Cross multiply
    206,584.94x = 309,979.48 × 122,341.70
  4. Step 4: Simplify right side
    206,584.94x = 37,923,416,548.32
  5. Step 5: Solve for x
    x = 37,923,416,548.32/206,584.94
  6. Step 6: Final answer
    x = 183,573.00

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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.