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Finding the Fourth Proportional to 401,091.94, 601,233.04 and 251,437.35

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Solution

The fourth proportional to 401,091.94, 601,233.04 and 251,437.35 is: 376,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,091.94 : 601,233.04 = 251,437.35 : x
  2. Step 2: Convert to fraction form
    401,091.94/601,233.04 = 251,437.35/x
  3. Step 3: Cross multiply
    401,091.94x = 601,233.04 × 251,437.35
  4. Step 4: Simplify right side
    401,091.94x = 151,172,442,310.04
  5. Step 5: Solve for x
    x = 151,172,442,310.04/401,091.94
  6. Step 6: Final answer
    x = 376,902.22

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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.