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Finding the Fourth Proportional to 362,351.64, 500,091.39 and 219,112.70

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Solution

The fourth proportional to 362,351.64, 500,091.39 and 219,112.70 is: 302,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,351.64 : 500,091.39 = 219,112.70 : x
  2. Step 2: Convert to fraction form
    362,351.64/500,091.39 = 219,112.70/x
  3. Step 3: Cross multiply
    362,351.64x = 500,091.39 × 219,112.70
  4. Step 4: Simplify right side
    362,351.64x = 109,576,374,709.65
  5. Step 5: Solve for x
    x = 109,576,374,709.65/362,351.64
  6. Step 6: Final answer
    x = 302,403.42

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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.