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Finding the Fourth Proportional to 550,295.77, 825,500.22 and 190,466.04

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Solution

The fourth proportional to 550,295.77, 825,500.22 and 190,466.04 is: 285,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,295.77 : 825,500.22 = 190,466.04 : x
  2. Step 2: Convert to fraction form
    550,295.77/825,500.22 = 190,466.04/x
  3. Step 3: Cross multiply
    550,295.77x = 825,500.22 × 190,466.04
  4. Step 4: Simplify right side
    550,295.77x = 157,229,756,970.20
  5. Step 5: Solve for x
    x = 157,229,756,970.20/550,295.77
  6. Step 6: Final answer
    x = 285,718.64

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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.