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Finding the Fourth Proportional to 550,470.72, 825,507.93 and 190,543.77

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Solution

The fourth proportional to 550,470.72, 825,507.93 and 190,543.77 is: 285,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,470.72 : 825,507.93 = 190,543.77 : x
  2. Step 2: Convert to fraction form
    550,470.72/825,507.93 = 190,543.77/x
  3. Step 3: Cross multiply
    550,470.72x = 825,507.93 × 190,543.77
  4. Step 4: Simplify right side
    550,470.72x = 157,295,393,147.10
  5. Step 5: Solve for x
    x = 157,295,393,147.10/550,470.72
  6. Step 6: Final answer
    x = 285,747.07

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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.