Home / 204,623.20-306,934.80-195,437.80

Finding the Fourth Proportional to 204,623.20, 306,934.80 and 195,437.80

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Solution

The fourth proportional to 204,623.20, 306,934.80 and 195,437.80 is: 293,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,623.20 : 306,934.80 = 195,437.80 : x
  2. Step 2: Convert to fraction form
    204,623.20/306,934.80 = 195,437.80/x
  3. Step 3: Cross multiply
    204,623.20x = 306,934.80 × 195,437.80
  4. Step 4: Simplify right side
    204,623.20x = 59,986,662,055.44
  5. Step 5: Solve for x
    x = 59,986,662,055.44/204,623.20
  6. Step 6: Final answer
    x = 293,156.70

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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.