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Finding the Fourth Proportional to 401,332.86, 601,992.41 and 135,093.35

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Solution

The fourth proportional to 401,332.86, 601,992.41 and 135,093.35 is: 202,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,332.86 : 601,992.41 = 135,093.35 : x
  2. Step 2: Convert to fraction form
    401,332.86/601,992.41 = 135,093.35/x
  3. Step 3: Cross multiply
    401,332.86x = 601,992.41 × 135,093.35
  4. Step 4: Simplify right side
    401,332.86x = 81,325,172,170.99
  5. Step 5: Solve for x
    x = 81,325,172,170.99/401,332.86
  6. Step 6: Final answer
    x = 202,637.71

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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.