Home / 220,616.20-331,091.22-161,605.24

Finding the Fourth Proportional to 220,616.20, 331,091.22 and 161,605.24

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Solution

The fourth proportional to 220,616.20, 331,091.22 and 161,605.24 is: 242,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,616.20 : 331,091.22 = 161,605.24 : x
  2. Step 2: Convert to fraction form
    220,616.20/331,091.22 = 161,605.24/x
  3. Step 3: Cross multiply
    220,616.20x = 331,091.22 × 161,605.24
  4. Step 4: Simplify right side
    220,616.20x = 53,506,076,069.99
  5. Step 5: Solve for x
    x = 53,506,076,069.99/220,616.20
  6. Step 6: Final answer
    x = 242,530.13

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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.