Home / 628,064.16-941,954.73-178,775.07

Finding the Fourth Proportional to 628,064.16, 941,954.73 and 178,775.07

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Solution

The fourth proportional to 628,064.16, 941,954.73 and 178,775.07 is: 268,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,064.16 : 941,954.73 = 178,775.07 : x
  2. Step 2: Convert to fraction form
    628,064.16/941,954.73 = 178,775.07/x
  3. Step 3: Cross multiply
    628,064.16x = 941,954.73 × 178,775.07
  4. Step 4: Simplify right side
    628,064.16x = 168,398,022,792.58
  5. Step 5: Solve for x
    x = 168,398,022,792.58/628,064.16
  6. Step 6: Final answer
    x = 268,122.32

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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.