Home / 274,261.22-378,515.54-153,409.22

Finding the Fourth Proportional to 274,261.22, 378,515.54 and 153,409.22

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Solution

The fourth proportional to 274,261.22, 378,515.54 and 153,409.22 is: 211,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,261.22 : 378,515.54 = 153,409.22 : x
  2. Step 2: Convert to fraction form
    274,261.22/378,515.54 = 153,409.22/x
  3. Step 3: Cross multiply
    274,261.22x = 378,515.54 × 153,409.22
  4. Step 4: Simplify right side
    274,261.22x = 58,067,772,982.23
  5. Step 5: Solve for x
    x = 58,067,772,982.23/274,261.22
  6. Step 6: Final answer
    x = 211,724.33

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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.