Home / 449,919.10-674,890.80-197,069.50

Finding the Fourth Proportional to 449,919.10, 674,890.80 and 197,069.50

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Solution

The fourth proportional to 449,919.10, 674,890.80 and 197,069.50 is: 295,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,919.10 : 674,890.80 = 197,069.50 : x
  2. Step 2: Convert to fraction form
    449,919.10/674,890.80 = 197,069.50/x
  3. Step 3: Cross multiply
    449,919.10x = 674,890.80 × 197,069.50
  4. Step 4: Simplify right side
    449,919.10x = 133,000,392,510.60
  5. Step 5: Solve for x
    x = 133,000,392,510.60/449,919.10
  6. Step 6: Final answer
    x = 295,609.57

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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.