Home / 646,728.25-970,087.13-166,915.03

Finding the Fourth Proportional to 646,728.25, 970,087.13 and 166,915.03

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Solution

The fourth proportional to 646,728.25, 970,087.13 and 166,915.03 is: 250,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,728.25 : 970,087.13 = 166,915.03 : x
  2. Step 2: Convert to fraction form
    646,728.25/970,087.13 = 166,915.03/x
  3. Step 3: Cross multiply
    646,728.25x = 970,087.13 × 166,915.03
  4. Step 4: Simplify right side
    646,728.25x = 161,922,122,530.51
  5. Step 5: Solve for x
    x = 161,922,122,530.51/646,728.25
  6. Step 6: Final answer
    x = 250,371.19

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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.