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Finding the Fourth Proportional to 275,326.68, 380,058.88 and 195,173.16

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Solution

The fourth proportional to 275,326.68, 380,058.88 and 195,173.16 is: 269,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,326.68 : 380,058.88 = 195,173.16 : x
  2. Step 2: Convert to fraction form
    275,326.68/380,058.88 = 195,173.16/x
  3. Step 3: Cross multiply
    275,326.68x = 380,058.88 × 195,173.16
  4. Step 4: Simplify right side
    275,326.68x = 74,177,292,595.66
  5. Step 5: Solve for x
    x = 74,177,292,595.66/275,326.68
  6. Step 6: Final answer
    x = 269,415.56

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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.