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Finding the Fourth Proportional to 308,796.27, 462,873.29 and 119,386.74

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Solution

The fourth proportional to 308,796.27, 462,873.29 and 119,386.74 is: 178,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,796.27 : 462,873.29 = 119,386.74 : x
  2. Step 2: Convert to fraction form
    308,796.27/462,873.29 = 119,386.74/x
  3. Step 3: Cross multiply
    308,796.27x = 462,873.29 × 119,386.74
  4. Step 4: Simplify right side
    308,796.27x = 55,260,932,529.24
  5. Step 5: Solve for x
    x = 55,260,932,529.24/308,796.27
  6. Step 6: Final answer
    x = 178,955.96

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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.