Home / 325,636.64-449,154.20-229,045.36

Finding the Fourth Proportional to 325,636.64, 449,154.20 and 229,045.36

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Solution

The fourth proportional to 325,636.64, 449,154.20 and 229,045.36 is: 315,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,636.64 : 449,154.20 = 229,045.36 : x
  2. Step 2: Convert to fraction form
    325,636.64/449,154.20 = 229,045.36/x
  3. Step 3: Cross multiply
    325,636.64x = 449,154.20 × 229,045.36
  4. Step 4: Simplify right side
    325,636.64x = 102,876,682,043.51
  5. Step 5: Solve for x
    x = 102,876,682,043.51/325,636.64
  6. Step 6: Final answer
    x = 315,924.77

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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.