Home / 268,487.26-370,513.79-147,636.38

Finding the Fourth Proportional to 268,487.26, 370,513.79 and 147,636.38

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Solution

The fourth proportional to 268,487.26, 370,513.79 and 147,636.38 is: 203,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,487.26 : 370,513.79 = 147,636.38 : x
  2. Step 2: Convert to fraction form
    268,487.26/370,513.79 = 147,636.38/x
  3. Step 3: Cross multiply
    268,487.26x = 370,513.79 × 147,636.38
  4. Step 4: Simplify right side
    268,487.26x = 54,701,314,695.68
  5. Step 5: Solve for x
    x = 54,701,314,695.68/268,487.26
  6. Step 6: Final answer
    x = 203,738.96

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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.