Home / 274,703.22-378,935.66-159,968.34

Finding the Fourth Proportional to 274,703.22, 378,935.66 and 159,968.34

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Solution

The fourth proportional to 274,703.22, 378,935.66 and 159,968.34 is: 220,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,703.22 : 378,935.66 = 159,968.34 : x
  2. Step 2: Convert to fraction form
    274,703.22/378,935.66 = 159,968.34/x
  3. Step 3: Cross multiply
    274,703.22x = 378,935.66 × 159,968.34
  4. Step 4: Simplify right side
    274,703.22x = 60,617,708,497.00
  5. Step 5: Solve for x
    x = 60,617,708,497.00/274,703.22
  6. Step 6: Final answer
    x = 220,666.17

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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.