Home / 275,186.64-379,761.43-166,275.86

Finding the Fourth Proportional to 275,186.64, 379,761.43 and 166,275.86

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Solution

The fourth proportional to 275,186.64, 379,761.43 and 166,275.86 is: 229,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,186.64 : 379,761.43 = 166,275.86 : x
  2. Step 2: Convert to fraction form
    275,186.64/379,761.43 = 166,275.86/x
  3. Step 3: Cross multiply
    275,186.64x = 379,761.43 × 166,275.86
  4. Step 4: Simplify right side
    275,186.64x = 63,145,158,868.11
  5. Step 5: Solve for x
    x = 63,145,158,868.11/275,186.64
  6. Step 6: Final answer
    x = 229,463.02

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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.