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Finding the Fourth Proportional to 270,410.70, 405,330.03 and 101,858.10

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Solution

The fourth proportional to 270,410.70, 405,330.03 and 101,858.10 is: 152,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,410.70 : 405,330.03 = 101,858.10 : x
  2. Step 2: Convert to fraction form
    270,410.70/405,330.03 = 101,858.10/x
  3. Step 3: Cross multiply
    270,410.70x = 405,330.03 × 101,858.10
  4. Step 4: Simplify right side
    270,410.70x = 41,286,145,208.76
  5. Step 5: Solve for x
    x = 41,286,145,208.76/270,410.70
  6. Step 6: Final answer
    x = 152,679.40

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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.