Home / 414,989.20-622,556.70-148,904.20

Finding the Fourth Proportional to 414,989.20, 622,556.70 and 148,904.20

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Solution

The fourth proportional to 414,989.20, 622,556.70 and 148,904.20 is: 223,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,989.20 : 622,556.70 = 148,904.20 : x
  2. Step 2: Convert to fraction form
    414,989.20/622,556.70 = 148,904.20/x
  3. Step 3: Cross multiply
    414,989.20x = 622,556.70 × 148,904.20
  4. Step 4: Simplify right side
    414,989.20x = 92,701,307,368.14
  5. Step 5: Solve for x
    x = 92,701,307,368.14/414,989.20
  6. Step 6: Final answer
    x = 223,382.46

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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.