Home / 446,560.20-669,948.30-131,027.40

Finding the Fourth Proportional to 446,560.20, 669,948.30 and 131,027.40

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Solution

The fourth proportional to 446,560.20, 669,948.30 and 131,027.40 is: 196,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,560.20 : 669,948.30 = 131,027.40 : x
  2. Step 2: Convert to fraction form
    446,560.20/669,948.30 = 131,027.40/x
  3. Step 3: Cross multiply
    446,560.20x = 669,948.30 × 131,027.40
  4. Step 4: Simplify right side
    446,560.20x = 87,781,583,883.42
  5. Step 5: Solve for x
    x = 87,781,583,883.42/446,560.20
  6. Step 6: Final answer
    x = 196,572.79

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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.