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Finding the Fourth Proportional to 550,990.50, 826,329.25 and 213,959.22

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Solution

The fourth proportional to 550,990.50, 826,329.25 and 213,959.22 is: 320,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,990.50 : 826,329.25 = 213,959.22 : x
  2. Step 2: Convert to fraction form
    550,990.50/826,329.25 = 213,959.22/x
  3. Step 3: Cross multiply
    550,990.50x = 826,329.25 × 213,959.22
  4. Step 4: Simplify right side
    550,990.50x = 176,800,762,406.48
  5. Step 5: Solve for x
    x = 176,800,762,406.48/550,990.50
  6. Step 6: Final answer
    x = 320,878.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.