Home / 326,146.08-449,664.94-211,221.66

Finding the Fourth Proportional to 326,146.08, 449,664.94 and 211,221.66

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Solution

The fourth proportional to 326,146.08, 449,664.94 and 211,221.66 is: 291,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,146.08 : 449,664.94 = 211,221.66 : x
  2. Step 2: Convert to fraction form
    326,146.08/449,664.94 = 211,221.66/x
  3. Step 3: Cross multiply
    326,146.08x = 449,664.94 × 211,221.66
  4. Step 4: Simplify right side
    326,146.08x = 94,978,975,070.60
  5. Step 5: Solve for x
    x = 94,978,975,070.60/326,146.08
  6. Step 6: Final answer
    x = 291,216.06

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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.