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Finding the Fourth Proportional to 275,335.44, 380,070.95 and 195,181.89

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Solution

The fourth proportional to 275,335.44, 380,070.95 and 195,181.89 is: 269,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,335.44 : 380,070.95 = 195,181.89 : x
  2. Step 2: Convert to fraction form
    275,335.44/380,070.95 = 195,181.89/x
  3. Step 3: Cross multiply
    275,335.44x = 380,070.95 × 195,181.89
  4. Step 4: Simplify right side
    275,335.44x = 74,182,965,379.19
  5. Step 5: Solve for x
    x = 74,182,965,379.19/275,335.44
  6. Step 6: Final answer
    x = 269,427.59

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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.