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Finding the Fourth Proportional to 180,339.98, 270,604.26 and 73,803.02

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Solution

The fourth proportional to 180,339.98, 270,604.26 and 73,803.02 is: 110,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,339.98 : 270,604.26 = 73,803.02 : x
  2. Step 2: Convert to fraction form
    180,339.98/270,604.26 = 73,803.02/x
  3. Step 3: Cross multiply
    180,339.98x = 270,604.26 × 73,803.02
  4. Step 4: Simplify right side
    180,339.98x = 19,971,410,259.84
  5. Step 5: Solve for x
    x = 19,971,410,259.84/180,339.98
  6. Step 6: Final answer
    x = 110,743.11

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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.