Home / 380,738.81-570,983.65-178,272.24

Finding the Fourth Proportional to 380,738.81, 570,983.65 and 178,272.24

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Solution

The fourth proportional to 380,738.81, 570,983.65 and 178,272.24 is: 267,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,738.81 : 570,983.65 = 178,272.24 : x
  2. Step 2: Convert to fraction form
    380,738.81/570,983.65 = 178,272.24/x
  3. Step 3: Cross multiply
    380,738.81x = 570,983.65 × 178,272.24
  4. Step 4: Simplify right side
    380,738.81x = 101,790,534,288.88
  5. Step 5: Solve for x
    x = 101,790,534,288.88/380,738.81
  6. Step 6: Final answer
    x = 267,350.04

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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.