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Finding the Fourth Proportional to 297,506.56, 446,259.88 and 75,890.56

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Solution

The fourth proportional to 297,506.56, 446,259.88 and 75,890.56 is: 113,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,506.56 : 446,259.88 = 75,890.56 : x
  2. Step 2: Convert to fraction form
    297,506.56/446,259.88 = 75,890.56/x
  3. Step 3: Cross multiply
    297,506.56x = 446,259.88 × 75,890.56
  4. Step 4: Simplify right side
    297,506.56x = 33,866,912,198.73
  5. Step 5: Solve for x
    x = 33,866,912,198.73/297,506.56
  6. Step 6: Final answer
    x = 113,835.85

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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.