Home / 351,109.86-484,531.43-198,180.15

Finding the Fourth Proportional to 351,109.86, 484,531.43 and 198,180.15

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Solution

The fourth proportional to 351,109.86, 484,531.43 and 198,180.15 is: 273,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,109.86 : 484,531.43 = 198,180.15 : x
  2. Step 2: Convert to fraction form
    351,109.86/484,531.43 = 198,180.15/x
  3. Step 3: Cross multiply
    351,109.86x = 484,531.43 × 198,180.15
  4. Step 4: Simplify right side
    351,109.86x = 96,024,511,477.11
  5. Step 5: Solve for x
    x = 96,024,511,477.11/351,109.86
  6. Step 6: Final answer
    x = 273,488.51

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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.