Home / 259,823.55-389,735.33-147,849.15

Finding the Fourth Proportional to 259,823.55, 389,735.33 and 147,849.15

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Solution

The fourth proportional to 259,823.55, 389,735.33 and 147,849.15 is: 221,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,823.55 : 389,735.33 = 147,849.15 : x
  2. Step 2: Convert to fraction form
    259,823.55/389,735.33 = 147,849.15/x
  3. Step 3: Cross multiply
    259,823.55x = 389,735.33 × 147,849.15
  4. Step 4: Simplify right side
    259,823.55x = 57,622,036,526.22
  5. Step 5: Solve for x
    x = 57,622,036,526.22/259,823.55
  6. Step 6: Final answer
    x = 221,773.73

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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.