Home / 274,833.09-379,309.73-153,982.56

Finding the Fourth Proportional to 274,833.09, 379,309.73 and 153,982.56

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Solution

The fourth proportional to 274,833.09, 379,309.73 and 153,982.56 is: 212,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,833.09 : 379,309.73 = 153,982.56 : x
  2. Step 2: Convert to fraction form
    274,833.09/379,309.73 = 153,982.56/x
  3. Step 3: Cross multiply
    274,833.09x = 379,309.73 × 153,982.56
  4. Step 4: Simplify right side
    274,833.09x = 58,407,083,643.27
  5. Step 5: Solve for x
    x = 58,407,083,643.27/274,833.09
  6. Step 6: Final answer
    x = 212,518.38

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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.