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Finding the Fourth Proportional to 351,241.39, 526,843.53 and 98,539.48

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Solution

The fourth proportional to 351,241.39, 526,843.53 and 98,539.48 is: 147,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,241.39 : 526,843.53 = 98,539.48 : x
  2. Step 2: Convert to fraction form
    351,241.39/526,843.53 = 98,539.48/x
  3. Step 3: Cross multiply
    351,241.39x = 526,843.53 × 98,539.48
  4. Step 4: Simplify right side
    351,241.39x = 51,914,887,487.56
  5. Step 5: Solve for x
    x = 51,914,887,487.56/351,241.39
  6. Step 6: Final answer
    x = 147,804.01

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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.