Home / 225,620.34-338,431.29-57,140.58

Finding the Fourth Proportional to 225,620.34, 338,431.29 and 57,140.58

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Solution

The fourth proportional to 225,620.34, 338,431.29 and 57,140.58 is: 85,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,620.34 : 338,431.29 = 57,140.58 : x
  2. Step 2: Convert to fraction form
    225,620.34/338,431.29 = 57,140.58/x
  3. Step 3: Cross multiply
    225,620.34x = 338,431.29 × 57,140.58
  4. Step 4: Simplify right side
    225,620.34x = 19,338,160,200.75
  5. Step 5: Solve for x
    x = 19,338,160,200.75/225,620.34
  6. Step 6: Final answer
    x = 85,711.07

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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.