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Finding the Fourth Proportional to 300,624.40, 450,974.04 and 98,215.96

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Solution

The fourth proportional to 300,624.40, 450,974.04 and 98,215.96 is: 147,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,624.40 : 450,974.04 = 98,215.96 : x
  2. Step 2: Convert to fraction form
    300,624.40/450,974.04 = 98,215.96/x
  3. Step 3: Cross multiply
    300,624.40x = 450,974.04 × 98,215.96
  4. Step 4: Simplify right side
    300,624.40x = 44,292,848,273.68
  5. Step 5: Solve for x
    x = 44,292,848,273.68/300,624.40
  6. Step 6: Final answer
    x = 147,336.17

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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.