Home / 258,012.96-386,018.01-226,183.56

Finding the Fourth Proportional to 258,012.96, 386,018.01 and 226,183.56

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Solution

The fourth proportional to 258,012.96, 386,018.01 and 226,183.56 is: 338,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,012.96 : 386,018.01 = 226,183.56 : x
  2. Step 2: Convert to fraction form
    258,012.96/386,018.01 = 226,183.56/x
  3. Step 3: Cross multiply
    258,012.96x = 386,018.01 × 226,183.56
  4. Step 4: Simplify right side
    258,012.96x = 87,310,927,725.92
  5. Step 5: Solve for x
    x = 87,310,927,725.92/258,012.96
  6. Step 6: Final answer
    x = 338,397.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.