Home / 220,851.05-304,696.78-144,414.86

Finding the Fourth Proportional to 220,851.05, 304,696.78 and 144,414.86

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Solution

The fourth proportional to 220,851.05, 304,696.78 and 144,414.86 is: 199,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,851.05 : 304,696.78 = 144,414.86 : x
  2. Step 2: Convert to fraction form
    220,851.05/304,696.78 = 144,414.86/x
  3. Step 3: Cross multiply
    220,851.05x = 304,696.78 × 144,414.86
  4. Step 4: Simplify right side
    220,851.05x = 44,002,740,941.63
  5. Step 5: Solve for x
    x = 44,002,740,941.63/220,851.05
  6. Step 6: Final answer
    x = 199,241.71

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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.