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Finding the Fourth Proportional to 465,260.72, 697,305.72 and 252,020.48

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Solution

The fourth proportional to 465,260.72, 697,305.72 and 252,020.48 is: 377,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,260.72 : 697,305.72 = 252,020.48 : x
  2. Step 2: Convert to fraction form
    465,260.72/697,305.72 = 252,020.48/x
  3. Step 3: Cross multiply
    465,260.72x = 697,305.72 × 252,020.48
  4. Step 4: Simplify right side
    465,260.72x = 175,735,322,261.15
  5. Step 5: Solve for x
    x = 175,735,322,261.15/465,260.72
  6. Step 6: Final answer
    x = 377,713.64

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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.