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Finding the Fourth Proportional to 203,500.30, 305,034.45 and 98,250.70

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Solution

The fourth proportional to 203,500.30, 305,034.45 and 98,250.70 is: 147,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,500.30 : 305,034.45 = 98,250.70 : x
  2. Step 2: Convert to fraction form
    203,500.30/305,034.45 = 98,250.70/x
  3. Step 3: Cross multiply
    203,500.30x = 305,034.45 × 98,250.70
  4. Step 4: Simplify right side
    203,500.30x = 29,969,848,236.62
  5. Step 5: Solve for x
    x = 29,969,848,236.62/203,500.30
  6. Step 6: Final answer
    x = 147,271.76

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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.