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Finding the Fourth Proportional to 550,458.77, 825,490.08 and 190,531.89

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Solution

The fourth proportional to 550,458.77, 825,490.08 and 190,531.89 is: 285,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,458.77 : 825,490.08 = 190,531.89 : x
  2. Step 2: Convert to fraction form
    550,458.77/825,490.08 = 190,531.89/x
  3. Step 3: Cross multiply
    550,458.77x = 825,490.08 × 190,531.89
  4. Step 4: Simplify right side
    550,458.77x = 157,282,185,118.65
  5. Step 5: Solve for x
    x = 157,282,185,118.65/550,458.77
  6. Step 6: Final answer
    x = 285,729.28

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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.