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Finding the Fourth Proportional to 550,758.64, 825,950.84 and 190,845.52

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Solution

The fourth proportional to 550,758.64, 825,950.84 and 190,845.52 is: 286,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,758.64 : 825,950.84 = 190,845.52 : x
  2. Step 2: Convert to fraction form
    550,758.64/825,950.84 = 190,845.52/x
  3. Step 3: Cross multiply
    550,758.64x = 825,950.84 × 190,845.52
  4. Step 4: Simplify right side
    550,758.64x = 157,629,014,535.13
  5. Step 5: Solve for x
    x = 157,629,014,535.13/550,758.64
  6. Step 6: Final answer
    x = 286,203.44

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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.