Home / 415,112.21-622,865.14-246,964.71

Finding the Fourth Proportional to 415,112.21, 622,865.14 and 246,964.71

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Solution

The fourth proportional to 415,112.21, 622,865.14 and 246,964.71 is: 370,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,112.21 : 622,865.14 = 246,964.71 : x
  2. Step 2: Convert to fraction form
    415,112.21/622,865.14 = 246,964.71/x
  3. Step 3: Cross multiply
    415,112.21x = 622,865.14 × 246,964.71
  4. Step 4: Simplify right side
    415,112.21x = 153,825,707,434.39
  5. Step 5: Solve for x
    x = 153,825,707,434.39/415,112.21
  6. Step 6: Final answer
    x = 370,564.16

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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.