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Finding the Fourth Proportional to 180,374.98, 270,564.27 and 80,540.23

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Solution

The fourth proportional to 180,374.98, 270,564.27 and 80,540.23 is: 120,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,374.98 : 270,564.27 = 80,540.23 : x
  2. Step 2: Convert to fraction form
    180,374.98/270,564.27 = 80,540.23/x
  3. Step 3: Cross multiply
    180,374.98x = 270,564.27 × 80,540.23
  4. Step 4: Simplify right side
    180,374.98x = 21,791,308,535.58
  5. Step 5: Solve for x
    x = 21,791,308,535.58/180,374.98
  6. Step 6: Final answer
    x = 120,811.15

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1.5x scale

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.