Home / 351,938.02-485,560.29-198,961.42

Finding the Fourth Proportional to 351,938.02, 485,560.29 and 198,961.42

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Solution

The fourth proportional to 351,938.02, 485,560.29 and 198,961.42 is: 274,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,938.02 : 485,560.29 = 198,961.42 : x
  2. Step 2: Convert to fraction form
    351,938.02/485,560.29 = 198,961.42/x
  3. Step 3: Cross multiply
    351,938.02x = 485,560.29 × 198,961.42
  4. Step 4: Simplify right side
    351,938.02x = 96,607,764,794.01
  5. Step 5: Solve for x
    x = 96,607,764,794.01/351,938.02
  6. Step 6: Final answer
    x = 274,502.21

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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.