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Finding the Fourth Proportional to 299,119.27, 447,625.72 and 186,852.36

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Solution

The fourth proportional to 299,119.27, 447,625.72 and 186,852.36 is: 279,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,119.27 : 447,625.72 = 186,852.36 : x
  2. Step 2: Convert to fraction form
    299,119.27/447,625.72 = 186,852.36/x
  3. Step 3: Cross multiply
    299,119.27x = 447,625.72 × 186,852.36
  4. Step 4: Simplify right side
    299,119.27x = 83,639,922,178.70
  5. Step 5: Solve for x
    x = 83,639,922,178.70/299,119.27
  6. Step 6: Final answer
    x = 279,620.64

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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.