Home / 340,919.97-469,980.53-268,196.46

Finding the Fourth Proportional to 340,919.97, 469,980.53 and 268,196.46

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Solution

The fourth proportional to 340,919.97, 469,980.53 and 268,196.46 is: 369,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,919.97 : 469,980.53 = 268,196.46 : x
  2. Step 2: Convert to fraction form
    340,919.97/469,980.53 = 268,196.46/x
  3. Step 3: Cross multiply
    340,919.97x = 469,980.53 × 268,196.46
  4. Step 4: Simplify right side
    340,919.97x = 126,047,114,414.92
  5. Step 5: Solve for x
    x = 126,047,114,414.92/340,919.97
  6. Step 6: Final answer
    x = 369,726.41

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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.