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Finding the Fourth Proportional to 317,512.72, 476,267.64 and 95,896.72

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Solution

The fourth proportional to 317,512.72, 476,267.64 and 95,896.72 is: 143,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,512.72 : 476,267.64 = 95,896.72 : x
  2. Step 2: Convert to fraction form
    317,512.72/476,267.64 = 95,896.72/x
  3. Step 3: Cross multiply
    317,512.72x = 476,267.64 × 95,896.72
  4. Step 4: Simplify right side
    317,512.72x = 45,672,504,518.14
  5. Step 5: Solve for x
    x = 45,672,504,518.14/317,512.72
  6. Step 6: Final answer
    x = 143,844.65

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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.