Home / 300,849.72-414,933.44-255,677.22

Finding the Fourth Proportional to 300,849.72, 414,933.44 and 255,677.22

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Solution

The fourth proportional to 300,849.72, 414,933.44 and 255,677.22 is: 352,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,849.72 : 414,933.44 = 255,677.22 : x
  2. Step 2: Convert to fraction form
    300,849.72/414,933.44 = 255,677.22/x
  3. Step 3: Cross multiply
    300,849.72x = 414,933.44 × 255,677.22
  4. Step 4: Simplify right side
    300,849.72x = 106,089,028,424.24
  5. Step 5: Solve for x
    x = 106,089,028,424.24/300,849.72
  6. Step 6: Final answer
    x = 352,631.30

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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.