Home / 295,272.20-442,908.30-206,625.80

Finding the Fourth Proportional to 295,272.20, 442,908.30 and 206,625.80

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Solution

The fourth proportional to 295,272.20, 442,908.30 and 206,625.80 is: 309,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,272.20 : 442,908.30 = 206,625.80 : x
  2. Step 2: Convert to fraction form
    295,272.20/442,908.30 = 206,625.80/x
  3. Step 3: Cross multiply
    295,272.20x = 442,908.30 × 206,625.80
  4. Step 4: Simplify right side
    295,272.20x = 91,516,281,814.14
  5. Step 5: Solve for x
    x = 91,516,281,814.14/295,272.20
  6. Step 6: Final answer
    x = 309,938.70

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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.