Home / 356,396.24-491,826.78-195,257

Finding the Fourth Proportional to 356,396.24, 491,826.78 and 195,257

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Solution

The fourth proportional to 356,396.24, 491,826.78 and 195,257 is: 269,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,396.24 : 491,826.78 = 195,257 : x
  2. Step 2: Convert to fraction form
    356,396.24/491,826.78 = 195,257/x
  3. Step 3: Cross multiply
    356,396.24x = 491,826.78 × 195,257
  4. Step 4: Simplify right side
    356,396.24x = 96,032,621,582.46
  5. Step 5: Solve for x
    x = 96,032,621,582.46/356,396.24
  6. Step 6: Final answer
    x = 269,454.64

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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.