Home / 414,467.81-621,701.67-114,948.38

Finding the Fourth Proportional to 414,467.81, 621,701.67 and 114,948.38

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Solution

The fourth proportional to 414,467.81, 621,701.67 and 114,948.38 is: 172,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,467.81 : 621,701.67 = 114,948.38 : x
  2. Step 2: Convert to fraction form
    414,467.81/621,701.67 = 114,948.38/x
  3. Step 3: Cross multiply
    414,467.81x = 621,701.67 × 114,948.38
  4. Step 4: Simplify right side
    414,467.81x = 71,463,600,485.73
  5. Step 5: Solve for x
    x = 71,463,600,485.73/414,467.81
  6. Step 6: Final answer
    x = 172,422.56

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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.