Home / 414,181.20-620,834.40-236,305.20

Finding the Fourth Proportional to 414,181.20, 620,834.40 and 236,305.20

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Solution

The fourth proportional to 414,181.20, 620,834.40 and 236,305.20 is: 354,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,181.20 : 620,834.40 = 236,305.20 : x
  2. Step 2: Convert to fraction form
    414,181.20/620,834.40 = 236,305.20/x
  3. Step 3: Cross multiply
    414,181.20x = 620,834.40 × 236,305.20
  4. Step 4: Simplify right side
    414,181.20x = 146,706,397,058.88
  5. Step 5: Solve for x
    x = 146,706,397,058.88/414,181.20
  6. Step 6: Final answer
    x = 354,208.25

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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.