Home / 351,922.02-485,538.21-198,945.42

Finding the Fourth Proportional to 351,922.02, 485,538.21 and 198,945.42

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Solution

The fourth proportional to 351,922.02, 485,538.21 and 198,945.42 is: 274,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,922.02 : 485,538.21 = 198,945.42 : x
  2. Step 2: Convert to fraction form
    351,922.02/485,538.21 = 198,945.42/x
  3. Step 3: Cross multiply
    351,922.02x = 485,538.21 × 198,945.42
  4. Step 4: Simplify right side
    351,922.02x = 96,595,603,114.50
  5. Step 5: Solve for x
    x = 96,595,603,114.50/351,922.02
  6. Step 6: Final answer
    x = 274,480.13

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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.