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Finding the Fourth Proportional to 350,963.22, 484,388.80 and 198,044.76

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Solution

The fourth proportional to 350,963.22, 484,388.80 and 198,044.76 is: 273,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,963.22 : 484,388.80 = 198,044.76 : x
  2. Step 2: Convert to fraction form
    350,963.22/484,388.80 = 198,044.76/x
  3. Step 3: Cross multiply
    350,963.22x = 484,388.80 × 198,044.76
  4. Step 4: Simplify right side
    350,963.22x = 95,930,663,642.69
  5. Step 5: Solve for x
    x = 95,930,663,642.69/350,963.22
  6. Step 6: Final answer
    x = 273,335.38

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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.