Home / 311,938.20-467,907.30-170,220.60

Finding the Fourth Proportional to 311,938.20, 467,907.30 and 170,220.60

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Solution

The fourth proportional to 311,938.20, 467,907.30 and 170,220.60 is: 255,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,938.20 : 467,907.30 = 170,220.60 : x
  2. Step 2: Convert to fraction form
    311,938.20/467,907.30 = 170,220.60/x
  3. Step 3: Cross multiply
    311,938.20x = 467,907.30 × 170,220.60
  4. Step 4: Simplify right side
    311,938.20x = 79,647,461,350.38
  5. Step 5: Solve for x
    x = 79,647,461,350.38/311,938.20
  6. Step 6: Final answer
    x = 255,330.90

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1.5x scale

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.