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Finding the Fourth Proportional to 308,080.95, 462,165.54 and 94,866.92

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Solution

The fourth proportional to 308,080.95, 462,165.54 and 94,866.92 is: 142,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,080.95 : 462,165.54 = 94,866.92 : x
  2. Step 2: Convert to fraction form
    308,080.95/462,165.54 = 94,866.92/x
  3. Step 3: Cross multiply
    308,080.95x = 462,165.54 × 94,866.92
  4. Step 4: Simplify right side
    308,080.95x = 43,844,218,999.11
  5. Step 5: Solve for x
    x = 43,844,218,999.11/308,080.95
  6. Step 6: Final answer
    x = 142,313.96

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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.