Home / 331,280.42-495,938.90-204,513.05

Finding the Fourth Proportional to 331,280.42, 495,938.90 and 204,513.05

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Solution

The fourth proportional to 331,280.42, 495,938.90 and 204,513.05 is: 306,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,280.42 : 495,938.90 = 204,513.05 : x
  2. Step 2: Convert to fraction form
    331,280.42/495,938.90 = 204,513.05/x
  3. Step 3: Cross multiply
    331,280.42x = 495,938.90 × 204,513.05
  4. Step 4: Simplify right side
    331,280.42x = 101,425,978,803.78
  5. Step 5: Solve for x
    x = 101,425,978,803.78/331,280.42
  6. Step 6: Final answer
    x = 306,163.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.