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Finding the Fourth Proportional to 270,410.90, 405,330.31 and 101,858.29

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Solution

The fourth proportional to 270,410.90, 405,330.31 and 101,858.29 is: 152,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,410.90 : 405,330.31 = 101,858.29 : x
  2. Step 2: Convert to fraction form
    270,410.90/405,330.31 = 101,858.29/x
  3. Step 3: Cross multiply
    270,410.90x = 405,330.31 × 101,858.29
  4. Step 4: Simplify right side
    270,410.90x = 41,286,250,993.80
  5. Step 5: Solve for x
    x = 41,286,250,993.80/270,410.90
  6. Step 6: Final answer
    x = 152,679.69

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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.