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Finding the Fourth Proportional to 308,244.44, 462,366.65 and 86,628.44

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Solution

The fourth proportional to 308,244.44, 462,366.65 and 86,628.44 is: 129,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,244.44 : 462,366.65 = 86,628.44 : x
  2. Step 2: Convert to fraction form
    308,244.44/462,366.65 = 86,628.44/x
  3. Step 3: Cross multiply
    308,244.44x = 462,366.65 × 86,628.44
  4. Step 4: Simplify right side
    308,244.44x = 40,054,101,597.53
  5. Step 5: Solve for x
    x = 40,054,101,597.53/308,244.44
  6. Step 6: Final answer
    x = 129,942.66

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1.5x scale

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.