Home / 230,460.20-345,153.16-222,478.28

Finding the Fourth Proportional to 230,460.20, 345,153.16 and 222,478.28

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Solution

The fourth proportional to 230,460.20, 345,153.16 and 222,478.28 is: 333,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,460.20 : 345,153.16 = 222,478.28 : x
  2. Step 2: Convert to fraction form
    230,460.20/345,153.16 = 222,478.28/x
  3. Step 3: Cross multiply
    230,460.20x = 345,153.16 × 222,478.28
  4. Step 4: Simplify right side
    230,460.20x = 76,789,081,373.36
  5. Step 5: Solve for x
    x = 76,789,081,373.36/230,460.20
  6. Step 6: Final answer
    x = 333,198.88

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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.