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Finding the Fourth Proportional to 557,356.91, 835,821.41 and 237,305.86

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Solution

The fourth proportional to 557,356.91, 835,821.41 and 237,305.86 is: 355,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,356.91 : 835,821.41 = 237,305.86 : x
  2. Step 2: Convert to fraction form
    557,356.91/835,821.41 = 237,305.86/x
  3. Step 3: Cross multiply
    557,356.91x = 835,821.41 × 237,305.86
  4. Step 4: Simplify right side
    557,356.91x = 198,345,315,230.38
  5. Step 5: Solve for x
    x = 198,345,315,230.38/557,356.91
  6. Step 6: Final answer
    x = 355,867.69

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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.