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Finding the Fourth Proportional to 367,049.64, 550,508.64 and 100,775.10

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Solution

The fourth proportional to 367,049.64, 550,508.64 and 100,775.10 is: 151,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,049.64 : 550,508.64 = 100,775.10 : x
  2. Step 2: Convert to fraction form
    367,049.64/550,508.64 = 100,775.10/x
  3. Step 3: Cross multiply
    367,049.64x = 550,508.64 × 100,775.10
  4. Step 4: Simplify right side
    367,049.64x = 55,477,563,246.86
  5. Step 5: Solve for x
    x = 55,477,563,246.86/367,049.64
  6. Step 6: Final answer
    x = 151,144.58

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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.