Home / 281,738.48-388,798.34-152,680.54

Finding the Fourth Proportional to 281,738.48, 388,798.34 and 152,680.54

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Solution

The fourth proportional to 281,738.48, 388,798.34 and 152,680.54 is: 210,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,738.48 : 388,798.34 = 152,680.54 : x
  2. Step 2: Convert to fraction form
    281,738.48/388,798.34 = 152,680.54/x
  3. Step 3: Cross multiply
    281,738.48x = 388,798.34 × 152,680.54
  4. Step 4: Simplify right side
    281,738.48x = 59,361,940,502.30
  5. Step 5: Solve for x
    x = 59,361,940,502.30/281,738.48
  6. Step 6: Final answer
    x = 210,698.73

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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.