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Finding the Fourth Proportional to 272,179.54, 408,336.29 and 94,688.09

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Solution

The fourth proportional to 272,179.54, 408,336.29 and 94,688.09 is: 142,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,179.54 : 408,336.29 = 94,688.09 : x
  2. Step 2: Convert to fraction form
    272,179.54/408,336.29 = 94,688.09/x
  3. Step 3: Cross multiply
    272,179.54x = 408,336.29 × 94,688.09
  4. Step 4: Simplify right side
    272,179.54x = 38,664,582,749.01
  5. Step 5: Solve for x
    x = 38,664,582,749.01/272,179.54
  6. Step 6: Final answer
    x = 142,055.43

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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.