Home / 229,288.20-343,640.70-204,210.60

Finding the Fourth Proportional to 229,288.20, 343,640.70 and 204,210.60

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Solution

The fourth proportional to 229,288.20, 343,640.70 and 204,210.60 is: 306,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,288.20 : 343,640.70 = 204,210.60 : x
  2. Step 2: Convert to fraction form
    229,288.20/343,640.70 = 204,210.60/x
  3. Step 3: Cross multiply
    229,288.20x = 343,640.70 × 204,210.60
  4. Step 4: Simplify right side
    229,288.20x = 70,175,073,531.42
  5. Step 5: Solve for x
    x = 70,175,073,531.42/229,288.20
  6. Step 6: Final answer
    x = 306,056.19

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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.