Home / 300,130.56-414,330.53-231,993.36

Finding the Fourth Proportional to 300,130.56, 414,330.53 and 231,993.36

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Solution

The fourth proportional to 300,130.56, 414,330.53 and 231,993.36 is: 320,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,130.56 : 414,330.53 = 231,993.36 : x
  2. Step 2: Convert to fraction form
    300,130.56/414,330.53 = 231,993.36/x
  3. Step 3: Cross multiply
    300,130.56x = 414,330.53 × 231,993.36
  4. Step 4: Simplify right side
    300,130.56x = 96,121,930,645.31
  5. Step 5: Solve for x
    x = 96,121,930,645.31/300,130.56
  6. Step 6: Final answer
    x = 320,267.06

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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.