Home / 414,539.20-621,808.80-148,283.56

Finding the Fourth Proportional to 414,539.20, 621,808.80 and 148,283.56

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Solution

The fourth proportional to 414,539.20, 621,808.80 and 148,283.56 is: 222,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,539.20 : 621,808.80 = 148,283.56 : x
  2. Step 2: Convert to fraction form
    414,539.20/621,808.80 = 148,283.56/x
  3. Step 3: Cross multiply
    414,539.20x = 621,808.80 × 148,283.56
  4. Step 4: Simplify right side
    414,539.20x = 92,204,022,503.33
  5. Step 5: Solve for x
    x = 92,204,022,503.33/414,539.20
  6. Step 6: Final answer
    x = 222,425.34

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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.