Home / 268,358.94-370,339.12-147,511.38

Finding the Fourth Proportional to 268,358.94, 370,339.12 and 147,511.38

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Solution

The fourth proportional to 268,358.94, 370,339.12 and 147,511.38 is: 203,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,358.94 : 370,339.12 = 147,511.38 : x
  2. Step 2: Convert to fraction form
    268,358.94/370,339.12 = 147,511.38/x
  3. Step 3: Cross multiply
    268,358.94x = 370,339.12 × 147,511.38
  4. Step 4: Simplify right side
    268,358.94x = 54,629,234,659.19
  5. Step 5: Solve for x
    x = 54,629,234,659.19/268,358.94
  6. Step 6: Final answer
    x = 203,567.78

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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.