Home / 281,514.56-388,497.66-158,997.12

Finding the Fourth Proportional to 281,514.56, 388,497.66 and 158,997.12

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Solution

The fourth proportional to 281,514.56, 388,497.66 and 158,997.12 is: 219,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,514.56 : 388,497.66 = 158,997.12 : x
  2. Step 2: Convert to fraction form
    281,514.56/388,497.66 = 158,997.12/x
  3. Step 3: Cross multiply
    281,514.56x = 388,497.66 × 158,997.12
  4. Step 4: Simplify right side
    281,514.56x = 61,770,009,066.74
  5. Step 5: Solve for x
    x = 61,770,009,066.74/281,514.56
  6. Step 6: Final answer
    x = 219,420.30

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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.