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Finding the Fourth Proportional to 317,069.72, 437,785.85 and 204,089.30

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Solution

The fourth proportional to 317,069.72, 437,785.85 and 204,089.30 is: 281,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,069.72 : 437,785.85 = 204,089.30 : x
  2. Step 2: Convert to fraction form
    317,069.72/437,785.85 = 204,089.30/x
  3. Step 3: Cross multiply
    317,069.72x = 437,785.85 × 204,089.30
  4. Step 4: Simplify right side
    317,069.72x = 89,347,407,639.40
  5. Step 5: Solve for x
    x = 89,347,407,639.40/317,069.72
  6. Step 6: Final answer
    x = 281,791.05

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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.