Home / 297,680.40-446,520.60-197,515.80

Finding the Fourth Proportional to 297,680.40, 446,520.60 and 197,515.80

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Solution

The fourth proportional to 297,680.40, 446,520.60 and 197,515.80 is: 296,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,680.40 : 446,520.60 = 197,515.80 : x
  2. Step 2: Convert to fraction form
    297,680.40/446,520.60 = 197,515.80/x
  3. Step 3: Cross multiply
    297,680.40x = 446,520.60 × 197,515.80
  4. Step 4: Simplify right side
    297,680.40x = 88,194,873,525.48
  5. Step 5: Solve for x
    x = 88,194,873,525.48/297,680.40
  6. Step 6: Final answer
    x = 296,273.70

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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.