Home / 268,396.09-370,391.21-147,542.47

Finding the Fourth Proportional to 268,396.09, 370,391.21 and 147,542.47

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Solution

The fourth proportional to 268,396.09, 370,391.21 and 147,542.47 is: 203,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,396.09 : 370,391.21 = 147,542.47 : x
  2. Step 2: Convert to fraction form
    268,396.09/370,391.21 = 147,542.47/x
  3. Step 3: Cross multiply
    268,396.09x = 370,391.21 × 147,542.47
  4. Step 4: Simplify right side
    268,396.09x = 54,648,433,620.83
  5. Step 5: Solve for x
    x = 54,648,433,620.83/268,396.09
  6. Step 6: Final answer
    x = 203,611.14

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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.