Home / 274,029.90-378,161.12-160,852.64

Finding the Fourth Proportional to 274,029.90, 378,161.12 and 160,852.64

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Solution

The fourth proportional to 274,029.90, 378,161.12 and 160,852.64 is: 221,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,029.90 : 378,161.12 = 160,852.64 : x
  2. Step 2: Convert to fraction form
    274,029.90/378,161.12 = 160,852.64/x
  3. Step 3: Cross multiply
    274,029.90x = 378,161.12 × 160,852.64
  4. Step 4: Simplify right side
    274,029.90x = 60,828,214,497.36
  5. Step 5: Solve for x
    x = 60,828,214,497.36/274,029.90
  6. Step 6: Final answer
    x = 221,976.56

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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.