Home / 274,113.48-378,323.36-159,458.66

Finding the Fourth Proportional to 274,113.48, 378,323.36 and 159,458.66

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Solution

The fourth proportional to 274,113.48, 378,323.36 and 159,458.66 is: 220,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,113.48 : 378,323.36 = 159,458.66 : x
  2. Step 2: Convert to fraction form
    274,113.48/378,323.36 = 159,458.66/x
  3. Step 3: Cross multiply
    274,113.48x = 378,323.36 × 159,458.66
  4. Step 4: Simplify right side
    274,113.48x = 60,326,936,956.12
  5. Step 5: Solve for x
    x = 60,326,936,956.12/274,113.48
  6. Step 6: Final answer
    x = 220,080.15

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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.