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Finding the Fourth Proportional to 308,068.11, 462,154.71 and 137,351.77

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Solution

The fourth proportional to 308,068.11, 462,154.71 and 137,351.77 is: 206,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,068.11 : 462,154.71 = 137,351.77 : x
  2. Step 2: Convert to fraction form
    308,068.11/462,154.71 = 137,351.77/x
  3. Step 3: Cross multiply
    308,068.11x = 462,154.71 × 137,351.77
  4. Step 4: Simplify right side
    308,068.11x = 63,477,765,121.56
  5. Step 5: Solve for x
    x = 63,477,765,121.56/308,068.11
  6. Step 6: Final answer
    x = 206,051.07

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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.