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Finding the Fourth Proportional to 223,563.96, 335,348.37 and 65,795.40

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Solution

The fourth proportional to 223,563.96, 335,348.37 and 65,795.40 is: 98,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,563.96 : 335,348.37 = 65,795.40 : x
  2. Step 2: Convert to fraction form
    223,563.96/335,348.37 = 65,795.40/x
  3. Step 3: Cross multiply
    223,563.96x = 335,348.37 × 65,795.40
  4. Step 4: Simplify right side
    223,563.96x = 22,064,380,143.50
  5. Step 5: Solve for x
    x = 22,064,380,143.50/223,563.96
  6. Step 6: Final answer
    x = 98,693.82

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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.