Home / 291,874.24-437,836.20-92,141.20

Finding the Fourth Proportional to 291,874.24, 437,836.20 and 92,141.20

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Solution

The fourth proportional to 291,874.24, 437,836.20 and 92,141.20 is: 138,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,874.24 : 437,836.20 = 92,141.20 : x
  2. Step 2: Convert to fraction form
    291,874.24/437,836.20 = 92,141.20/x
  3. Step 3: Cross multiply
    291,874.24x = 437,836.20 × 92,141.20
  4. Step 4: Simplify right side
    291,874.24x = 40,342,752,871.44
  5. Step 5: Solve for x
    x = 40,342,752,871.44/291,874.24
  6. Step 6: Final answer
    x = 138,219.64

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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.