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Finding the Fourth Proportional to 360,810.63, 541,204.75 and 171,407.29

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Solution

The fourth proportional to 360,810.63, 541,204.75 and 171,407.29 is: 257,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,810.63 : 541,204.75 = 171,407.29 : x
  2. Step 2: Convert to fraction form
    360,810.63/541,204.75 = 171,407.29/x
  3. Step 3: Cross multiply
    360,810.63x = 541,204.75 × 171,407.29
  4. Step 4: Simplify right side
    360,810.63x = 92,766,439,532.63
  5. Step 5: Solve for x
    x = 92,766,439,532.63/360,810.63
  6. Step 6: Final answer
    x = 257,105.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.