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Finding the Fourth Proportional to 550,776.69, 826,248.42 and 195,706.31

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Solution

The fourth proportional to 550,776.69, 826,248.42 and 195,706.31 is: 293,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,776.69 : 826,248.42 = 195,706.31 : x
  2. Step 2: Convert to fraction form
    550,776.69/826,248.42 = 195,706.31/x
  3. Step 3: Cross multiply
    550,776.69x = 826,248.42 × 195,706.31
  4. Step 4: Simplify right side
    550,776.69x = 161,702,025,290.29
  5. Step 5: Solve for x
    x = 161,702,025,290.29/550,776.69
  6. Step 6: Final answer
    x = 293,589.09

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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.