Home / 250,105.83-344,831.90-198,998.07

Finding the Fourth Proportional to 250,105.83, 344,831.90 and 198,998.07

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Solution

The fourth proportional to 250,105.83, 344,831.90 and 198,998.07 is: 274,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,105.83 : 344,831.90 = 198,998.07 : x
  2. Step 2: Convert to fraction form
    250,105.83/344,831.90 = 198,998.07/x
  3. Step 3: Cross multiply
    250,105.83x = 344,831.90 × 198,998.07
  4. Step 4: Simplify right side
    250,105.83x = 68,620,881,579.44
  5. Step 5: Solve for x
    x = 68,620,881,579.44/250,105.83
  6. Step 6: Final answer
    x = 274,367.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.