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Finding the Fourth Proportional to 272,668.93, 409,025.27 and 95,172.01

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Solution

The fourth proportional to 272,668.93, 409,025.27 and 95,172.01 is: 142,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,668.93 : 409,025.27 = 95,172.01 : x
  2. Step 2: Convert to fraction form
    272,668.93/409,025.27 = 95,172.01/x
  3. Step 3: Cross multiply
    272,668.93x = 409,025.27 × 95,172.01
  4. Step 4: Simplify right side
    272,668.93x = 38,927,756,610.83
  5. Step 5: Solve for x
    x = 38,927,756,610.83/272,668.93
  6. Step 6: Final answer
    x = 142,765.65

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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.