Home / 380,844.20-571,266.21-156,051.20

Finding the Fourth Proportional to 380,844.20, 571,266.21 and 156,051.20

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Solution

The fourth proportional to 380,844.20, 571,266.21 and 156,051.20 is: 234,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,844.20 : 571,266.21 = 156,051.20 : x
  2. Step 2: Convert to fraction form
    380,844.20/571,266.21 = 156,051.20/x
  3. Step 3: Cross multiply
    380,844.20x = 571,266.21 × 156,051.20
  4. Step 4: Simplify right side
    380,844.20x = 89,146,777,589.95
  5. Step 5: Solve for x
    x = 89,146,777,589.95/380,844.20
  6. Step 6: Final answer
    x = 234,076.76

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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.