Home / 445,909.04-668,933.12-146,321.42

Finding the Fourth Proportional to 445,909.04, 668,933.12 and 146,321.42

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Solution

The fourth proportional to 445,909.04, 668,933.12 and 146,321.42 is: 219,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,909.04 : 668,933.12 = 146,321.42 : x
  2. Step 2: Convert to fraction form
    445,909.04/668,933.12 = 146,321.42/x
  3. Step 3: Cross multiply
    445,909.04x = 668,933.12 × 146,321.42
  4. Step 4: Simplify right side
    445,909.04x = 97,879,244,003.43
  5. Step 5: Solve for x
    x = 97,879,244,003.43/445,909.04
  6. Step 6: Final answer
    x = 219,504.96

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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.