Home / 427,868.90-590,440.83-234,273.09

Finding the Fourth Proportional to 427,868.90, 590,440.83 and 234,273.09

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Solution

The fourth proportional to 427,868.90, 590,440.83 and 234,273.09 is: 323,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,868.90 : 590,440.83 = 234,273.09 : x
  2. Step 2: Convert to fraction form
    427,868.90/590,440.83 = 234,273.09/x
  3. Step 3: Cross multiply
    427,868.90x = 590,440.83 × 234,273.09
  4. Step 4: Simplify right side
    427,868.90x = 138,324,399,041.89
  5. Step 5: Solve for x
    x = 138,324,399,041.89/427,868.90
  6. Step 6: Final answer
    x = 323,286.87

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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.