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Finding the Fourth Proportional to 325,636.59, 449,365.48 and 182,389.31

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Solution

The fourth proportional to 325,636.59, 449,365.48 and 182,389.31 is: 251,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,636.59 : 449,365.48 = 182,389.31 : x
  2. Step 2: Convert to fraction form
    325,636.59/449,365.48 = 182,389.31/x
  3. Step 3: Cross multiply
    325,636.59x = 449,365.48 × 182,389.31
  4. Step 4: Simplify right side
    325,636.59x = 81,959,459,835.02
  5. Step 5: Solve for x
    x = 81,959,459,835.02/325,636.59
  6. Step 6: Final answer
    x = 251,689.96

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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.