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Finding the Fourth Proportional to 309,269.67, 463,116.98 and 203,768.79

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Solution

The fourth proportional to 309,269.67, 463,116.98 and 203,768.79 is: 305,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,269.67 : 463,116.98 = 203,768.79 : x
  2. Step 2: Convert to fraction form
    309,269.67/463,116.98 = 203,768.79/x
  3. Step 3: Cross multiply
    309,269.67x = 463,116.98 × 203,768.79
  4. Step 4: Simplify right side
    309,269.67x = 94,368,783,308.63
  5. Step 5: Solve for x
    x = 94,368,783,308.63/309,269.67
  6. Step 6: Final answer
    x = 305,134.30

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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.