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Finding the Fourth Proportional to 275,754.60, 380,686.47 and 185,584.59

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Solution

The fourth proportional to 275,754.60, 380,686.47 and 185,584.59 is: 256,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,754.60 : 380,686.47 = 185,584.59 : x
  2. Step 2: Convert to fraction form
    275,754.60/380,686.47 = 185,584.59/x
  3. Step 3: Cross multiply
    275,754.60x = 380,686.47 × 185,584.59
  4. Step 4: Simplify right side
    275,754.60x = 70,649,542,453.50
  5. Step 5: Solve for x
    x = 70,649,542,453.50/275,754.60
  6. Step 6: Final answer
    x = 256,204.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.