Home / 275,120.41-412,799.42-148,849.63

Finding the Fourth Proportional to 275,120.41, 412,799.42 and 148,849.63

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Solution

The fourth proportional to 275,120.41, 412,799.42 and 148,849.63 is: 223,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,120.41 : 412,799.42 = 148,849.63 : x
  2. Step 2: Convert to fraction form
    275,120.41/412,799.42 = 148,849.63/x
  3. Step 3: Cross multiply
    275,120.41x = 412,799.42 × 148,849.63
  4. Step 4: Simplify right side
    275,120.41x = 61,445,040,931.21
  5. Step 5: Solve for x
    x = 61,445,040,931.21/275,120.41
  6. Step 6: Final answer
    x = 223,338.72

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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.