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Finding the Fourth Proportional to 343,273.80, 514,910.70 and 203,190.60

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Solution

The fourth proportional to 343,273.80, 514,910.70 and 203,190.60 is: 304,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,273.80 : 514,910.70 = 203,190.60 : x
  2. Step 2: Convert to fraction form
    343,273.80/514,910.70 = 203,190.60/x
  3. Step 3: Cross multiply
    343,273.80x = 514,910.70 × 203,190.60
  4. Step 4: Simplify right side
    343,273.80x = 104,625,014,079.42
  5. Step 5: Solve for x
    x = 104,625,014,079.42/343,273.80
  6. Step 6: Final answer
    x = 304,785.90

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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.