Home / 268,901.16-371,080.60-148,039.94

Finding the Fourth Proportional to 268,901.16, 371,080.60 and 148,039.94

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Solution

The fourth proportional to 268,901.16, 371,080.60 and 148,039.94 is: 204,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,901.16 : 371,080.60 = 148,039.94 : x
  2. Step 2: Convert to fraction form
    268,901.16/371,080.60 = 148,039.94/x
  3. Step 3: Cross multiply
    268,901.16x = 371,080.60 × 148,039.94
  4. Step 4: Simplify right side
    268,901.16x = 54,934,749,759.16
  5. Step 5: Solve for x
    x = 54,934,749,759.16/268,901.16
  6. Step 6: Final answer
    x = 204,293.47

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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.