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Finding the Fourth Proportional to 401,352.07, 601,651.44 and 134,926.27

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Solution

The fourth proportional to 401,352.07, 601,651.44 and 134,926.27 is: 202,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,352.07 : 601,651.44 = 134,926.27 : x
  2. Step 2: Convert to fraction form
    401,352.07/601,651.44 = 134,926.27/x
  3. Step 3: Cross multiply
    401,352.07x = 601,651.44 × 134,926.27
  4. Step 4: Simplify right side
    401,352.07x = 81,178,584,639.33
  5. Step 5: Solve for x
    x = 81,178,584,639.33/401,352.07
  6. Step 6: Final answer
    x = 202,262.78

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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.