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Finding the Fourth Proportional to 275,733.52, 380,415.36 and 180,296.08

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Solution

The fourth proportional to 275,733.52, 380,415.36 and 180,296.08 is: 248,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,733.52 : 380,415.36 = 180,296.08 : x
  2. Step 2: Convert to fraction form
    275,733.52/380,415.36 = 180,296.08/x
  3. Step 3: Cross multiply
    275,733.52x = 380,415.36 × 180,296.08
  4. Step 4: Simplify right side
    275,733.52x = 68,587,398,179.79
  5. Step 5: Solve for x
    x = 68,587,398,179.79/275,733.52
  6. Step 6: Final answer
    x = 248,745.23

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1.5x scale

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.