Home / 251,636.72-347,144.24-149,604.30

Finding the Fourth Proportional to 251,636.72, 347,144.24 and 149,604.30

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Solution

The fourth proportional to 251,636.72, 347,144.24 and 149,604.30 is: 206,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,636.72 : 347,144.24 = 149,604.30 : x
  2. Step 2: Convert to fraction form
    251,636.72/347,144.24 = 149,604.30/x
  3. Step 3: Cross multiply
    251,636.72x = 347,144.24 × 149,604.30
  4. Step 4: Simplify right side
    251,636.72x = 51,934,270,276.21
  5. Step 5: Solve for x
    x = 51,934,270,276.21/251,636.72
  6. Step 6: Final answer
    x = 206,385.90

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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.