Home / 280,947.96-421,422.30-114,735.96

Finding the Fourth Proportional to 280,947.96, 421,422.30 and 114,735.96

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Solution

The fourth proportional to 280,947.96, 421,422.30 and 114,735.96 is: 172,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,947.96 : 421,422.30 = 114,735.96 : x
  2. Step 2: Convert to fraction form
    280,947.96/421,422.30 = 114,735.96/x
  3. Step 3: Cross multiply
    280,947.96x = 421,422.30 × 114,735.96
  4. Step 4: Simplify right side
    280,947.96x = 48,352,292,155.91
  5. Step 5: Solve for x
    x = 48,352,292,155.91/280,947.96
  6. Step 6: Final answer
    x = 172,104.09

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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.