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Finding the Fourth Proportional to 435,258.36, 653,033.34 and 169,027.56

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Solution

The fourth proportional to 435,258.36, 653,033.34 and 169,027.56 is: 253,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,258.36 : 653,033.34 = 169,027.56 : x
  2. Step 2: Convert to fraction form
    435,258.36/653,033.34 = 169,027.56/x
  3. Step 3: Cross multiply
    435,258.36x = 653,033.34 × 169,027.56
  4. Step 4: Simplify right side
    435,258.36x = 110,380,632,058.85
  5. Step 5: Solve for x
    x = 110,380,632,058.85/435,258.36
  6. Step 6: Final answer
    x = 253,597.96

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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.