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Finding the Fourth Proportional to 297,804, 410,969.52 and 163,668

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Solution

The fourth proportional to 297,804, 410,969.52 and 163,668 is: 225,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,804 : 410,969.52 = 163,668 : x
  2. Step 2: Convert to fraction form
    297,804/410,969.52 = 163,668/x
  3. Step 3: Cross multiply
    297,804x = 410,969.52 × 163,668
  4. Step 4: Simplify right side
    297,804x = 67,262,559,399.36
  5. Step 5: Solve for x
    x = 67,262,559,399.36/297,804
  6. Step 6: Final answer
    x = 225,861.84

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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.