Home / 298,861.34-448,291.20-99,196.75

Finding the Fourth Proportional to 298,861.34, 448,291.20 and 99,196.75

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Solution

The fourth proportional to 298,861.34, 448,291.20 and 99,196.75 is: 148,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,861.34 : 448,291.20 = 99,196.75 : x
  2. Step 2: Convert to fraction form
    298,861.34/448,291.20 = 99,196.75/x
  3. Step 3: Cross multiply
    298,861.34x = 448,291.20 × 99,196.75
  4. Step 4: Simplify right side
    298,861.34x = 44,469,027,852.14
  5. Step 5: Solve for x
    x = 44,469,027,852.14/298,861.34
  6. Step 6: Final answer
    x = 148,794.85

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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.