Home / 206,483.04-309,811.68-112,879.44

Finding the Fourth Proportional to 206,483.04, 309,811.68 and 112,879.44

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Solution

The fourth proportional to 206,483.04, 309,811.68 and 112,879.44 is: 169,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,483.04 : 309,811.68 = 112,879.44 : x
  2. Step 2: Convert to fraction form
    206,483.04/309,811.68 = 112,879.44/x
  3. Step 3: Cross multiply
    206,483.04x = 309,811.68 × 112,879.44
  4. Step 4: Simplify right side
    206,483.04x = 34,971,368,943.86
  5. Step 5: Solve for x
    x = 34,971,368,943.86/206,483.04
  6. Step 6: Final answer
    x = 169,366.79

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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.