Home / 366,930.20-550,395.30-307,881.20

Finding the Fourth Proportional to 366,930.20, 550,395.30 and 307,881.20

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Solution

The fourth proportional to 366,930.20, 550,395.30 and 307,881.20 is: 461,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.20 : 550,395.30 = 307,881.20 : x
  2. Step 2: Convert to fraction form
    366,930.20/550,395.30 = 307,881.20/x
  3. Step 3: Cross multiply
    366,930.20x = 550,395.30 × 307,881.20
  4. Step 4: Simplify right side
    366,930.20x = 169,456,365,438.36
  5. Step 5: Solve for x
    x = 169,456,365,438.36/366,930.20
  6. Step 6: Final answer
    x = 461,821.80

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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.