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Finding the Fourth Proportional to 401,191.56, 601,817.04 and 134,951.04

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Solution

The fourth proportional to 401,191.56, 601,817.04 and 134,951.04 is: 202,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,191.56 : 601,817.04 = 134,951.04 : x
  2. Step 2: Convert to fraction form
    401,191.56/601,817.04 = 134,951.04/x
  3. Step 3: Cross multiply
    401,191.56x = 601,817.04 × 134,951.04
  4. Step 4: Simplify right side
    401,191.56x = 81,215,835,437.72
  5. Step 5: Solve for x
    x = 81,215,835,437.72/401,191.56
  6. Step 6: Final answer
    x = 202,436.55

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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.