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Finding the Fourth Proportional to 550,394.28, 825,667.92 and 195,323.94

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Solution

The fourth proportional to 550,394.28, 825,667.92 and 195,323.94 is: 293,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,394.28 : 825,667.92 = 195,323.94 : x
  2. Step 2: Convert to fraction form
    550,394.28/825,667.92 = 195,323.94/x
  3. Step 3: Cross multiply
    550,394.28x = 825,667.92 × 195,323.94
  4. Step 4: Simplify right side
    550,394.28x = 161,272,711,266.01
  5. Step 5: Solve for x
    x = 161,272,711,266.01/550,394.28
  6. Step 6: Final answer
    x = 293,013.06

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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.