Home / 297,621.57-410,720.79-161,658.18

Finding the Fourth Proportional to 297,621.57, 410,720.79 and 161,658.18

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Solution

The fourth proportional to 297,621.57, 410,720.79 and 161,658.18 is: 223,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,621.57 : 410,720.79 = 161,658.18 : x
  2. Step 2: Convert to fraction form
    297,621.57/410,720.79 = 161,658.18/x
  3. Step 3: Cross multiply
    297,621.57x = 410,720.79 × 161,658.18
  4. Step 4: Simplify right side
    297,621.57x = 66,396,374,591.27
  5. Step 5: Solve for x
    x = 66,396,374,591.27/297,621.57
  6. Step 6: Final answer
    x = 223,089.93

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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.