Home / 362,931.72-500,845.32-201,781.68

Finding the Fourth Proportional to 362,931.72, 500,845.32 and 201,781.68

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Solution

The fourth proportional to 362,931.72, 500,845.32 and 201,781.68 is: 278,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,931.72 : 500,845.32 = 201,781.68 : x
  2. Step 2: Convert to fraction form
    362,931.72/500,845.32 = 201,781.68/x
  3. Step 3: Cross multiply
    362,931.72x = 500,845.32 × 201,781.68
  4. Step 4: Simplify right side
    362,931.72x = 101,061,410,089.74
  5. Step 5: Solve for x
    x = 101,061,410,089.74/362,931.72
  6. Step 6: Final answer
    x = 278,458.47

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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.