Home / 297,790.61-410,949.69-161,821.98

Finding the Fourth Proportional to 297,790.61, 410,949.69 and 161,821.98

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Solution

The fourth proportional to 297,790.61, 410,949.69 and 161,821.98 is: 223,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,790.61 : 410,949.69 = 161,821.98 : x
  2. Step 2: Convert to fraction form
    297,790.61/410,949.69 = 161,821.98/x
  3. Step 3: Cross multiply
    297,790.61x = 410,949.69 × 161,821.98
  4. Step 4: Simplify right side
    297,790.61x = 66,500,691,909.35
  5. Step 5: Solve for x
    x = 66,500,691,909.35/297,790.61
  6. Step 6: Final answer
    x = 223,313.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.