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Finding the Fourth Proportional to 376,550.37, 519,642.86 and 206,785.71

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Solution

The fourth proportional to 376,550.37, 519,642.86 and 206,785.71 is: 285,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,550.37 : 519,642.86 = 206,785.71 : x
  2. Step 2: Convert to fraction form
    376,550.37/519,642.86 = 206,785.71/x
  3. Step 3: Cross multiply
    376,550.37x = 519,642.86 × 206,785.71
  4. Step 4: Simplify right side
    376,550.37x = 107,454,717,751.53
  5. Step 5: Solve for x
    x = 107,454,717,751.53/376,550.37
  6. Step 6: Final answer
    x = 285,366.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.