Home / 380,739.45-570,984.58-178,272.88

Finding the Fourth Proportional to 380,739.45, 570,984.58 and 178,272.88

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Solution

The fourth proportional to 380,739.45, 570,984.58 and 178,272.88 is: 267,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,739.45 : 570,984.58 = 178,272.88 : x
  2. Step 2: Convert to fraction form
    380,739.45/570,984.58 = 178,272.88/x
  3. Step 3: Cross multiply
    380,739.45x = 570,984.58 × 178,272.88
  4. Step 4: Simplify right side
    380,739.45x = 101,791,065,512.19
  5. Step 5: Solve for x
    x = 101,791,065,512.19/380,739.45
  6. Step 6: Final answer
    x = 267,350.98

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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.