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Finding the Fourth Proportional to 300,333.70, 414,419.61 and 179,449.45

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Solution

The fourth proportional to 300,333.70, 414,419.61 and 179,449.45 is: 247,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,333.70 : 414,419.61 = 179,449.45 : x
  2. Step 2: Convert to fraction form
    300,333.70/414,419.61 = 179,449.45/x
  3. Step 3: Cross multiply
    300,333.70x = 414,419.61 × 179,449.45
  4. Step 4: Simplify right side
    300,333.70x = 74,367,371,083.71
  5. Step 5: Solve for x
    x = 74,367,371,083.71/300,333.70
  6. Step 6: Final answer
    x = 247,615.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.