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Finding the Fourth Proportional to 323,988.93, 447,096.09 and 180,745.29

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Solution

The fourth proportional to 323,988.93, 447,096.09 and 180,745.29 is: 249,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,988.93 : 447,096.09 = 180,745.29 : x
  2. Step 2: Convert to fraction form
    323,988.93/447,096.09 = 180,745.29/x
  3. Step 3: Cross multiply
    323,988.93x = 447,096.09 × 180,745.29
  4. Step 4: Simplify right side
    323,988.93x = 80,810,512,444.92
  5. Step 5: Solve for x
    x = 80,810,512,444.92/323,988.93
  6. Step 6: Final answer
    x = 249,423.68

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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.