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Finding the Fourth Proportional to 427,570.30, 641,392.17 and 112,027.24

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Solution

The fourth proportional to 427,570.30, 641,392.17 and 112,027.24 is: 168,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,570.30 : 641,392.17 = 112,027.24 : x
  2. Step 2: Convert to fraction form
    427,570.30/641,392.17 = 112,027.24/x
  3. Step 3: Cross multiply
    427,570.30x = 641,392.17 × 112,027.24
  4. Step 4: Simplify right side
    427,570.30x = 71,853,394,562.71
  5. Step 5: Solve for x
    x = 71,853,394,562.71/427,570.30
  6. Step 6: Final answer
    x = 168,050.48

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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.