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Finding the Fourth Proportional to 500,791.38, 750,662.18 and 185,046.90

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Solution

The fourth proportional to 500,791.38, 750,662.18 and 185,046.90 is: 277,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,791.38 : 750,662.18 = 185,046.90 : x
  2. Step 2: Convert to fraction form
    500,791.38/750,662.18 = 185,046.90/x
  3. Step 3: Cross multiply
    500,791.38x = 750,662.18 × 185,046.90
  4. Step 4: Simplify right side
    500,791.38x = 138,907,709,356.24
  5. Step 5: Solve for x
    x = 138,907,709,356.24/500,791.38
  6. Step 6: Final answer
    x = 277,376.40

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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.