Home / 308,619.52-462,966.54-108,898.90

Finding the Fourth Proportional to 308,619.52, 462,966.54 and 108,898.90

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Solution

The fourth proportional to 308,619.52, 462,966.54 and 108,898.90 is: 163,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,619.52 : 462,966.54 = 108,898.90 : x
  2. Step 2: Convert to fraction form
    308,619.52/462,966.54 = 108,898.90/x
  3. Step 3: Cross multiply
    308,619.52x = 462,966.54 × 108,898.90
  4. Step 4: Simplify right side
    308,619.52x = 50,416,546,942.81
  5. Step 5: Solve for x
    x = 50,416,546,942.81/308,619.52
  6. Step 6: Final answer
    x = 163,361.50

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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.