Home / 274,860.66-379,282.04-153,976.31

Finding the Fourth Proportional to 274,860.66, 379,282.04 and 153,976.31

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Solution

The fourth proportional to 274,860.66, 379,282.04 and 153,976.31 is: 212,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,860.66 : 379,282.04 = 153,976.31 : x
  2. Step 2: Convert to fraction form
    274,860.66/379,282.04 = 153,976.31/x
  3. Step 3: Cross multiply
    274,860.66x = 379,282.04 × 153,976.31
  4. Step 4: Simplify right side
    274,860.66x = 58,400,446,302.18
  5. Step 5: Solve for x
    x = 58,400,446,302.18/274,860.66
  6. Step 6: Final answer
    x = 212,472.92

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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.