Home / 380,716.73-570,671.26-178,142.16

Finding the Fourth Proportional to 380,716.73, 570,671.26 and 178,142.16

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Solution

The fourth proportional to 380,716.73, 570,671.26 and 178,142.16 is: 267,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,716.73 : 570,671.26 = 178,142.16 : x
  2. Step 2: Convert to fraction form
    380,716.73/570,671.26 = 178,142.16/x
  3. Step 3: Cross multiply
    380,716.73x = 570,671.26 × 178,142.16
  4. Step 4: Simplify right side
    380,716.73x = 101,660,610,015.61
  5. Step 5: Solve for x
    x = 101,660,610,015.61/380,716.73
  6. Step 6: Final answer
    x = 267,024.28

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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.