Home / 230,631.36-345,959.33-218,009.64

Finding the Fourth Proportional to 230,631.36, 345,959.33 and 218,009.64

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Solution

The fourth proportional to 230,631.36, 345,959.33 and 218,009.64 is: 327,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,631.36 : 345,959.33 = 218,009.64 : x
  2. Step 2: Convert to fraction form
    230,631.36/345,959.33 = 218,009.64/x
  3. Step 3: Cross multiply
    230,631.36x = 345,959.33 × 218,009.64
  4. Step 4: Simplify right side
    230,631.36x = 75,422,466,168.10
  5. Step 5: Solve for x
    x = 75,422,466,168.10/230,631.36
  6. Step 6: Final answer
    x = 327,026.07

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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.