Home / 251,380.28-346,979.57-144,021.80

Finding the Fourth Proportional to 251,380.28, 346,979.57 and 144,021.80

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Solution

The fourth proportional to 251,380.28, 346,979.57 and 144,021.80 is: 198,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,380.28 : 346,979.57 = 144,021.80 : x
  2. Step 2: Convert to fraction form
    251,380.28/346,979.57 = 144,021.80/x
  3. Step 3: Cross multiply
    251,380.28x = 346,979.57 × 144,021.80
  4. Step 4: Simplify right side
    251,380.28x = 49,972,622,234.63
  5. Step 5: Solve for x
    x = 49,972,622,234.63/251,380.28
  6. Step 6: Final answer
    x = 198,792.93

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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.