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Finding the Fourth Proportional to 227,408.76, 341,228.15 and 151,559.05

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Solution

The fourth proportional to 227,408.76, 341,228.15 and 151,559.05 is: 227,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,408.76 : 341,228.15 = 151,559.05 : x
  2. Step 2: Convert to fraction form
    227,408.76/341,228.15 = 151,559.05/x
  3. Step 3: Cross multiply
    227,408.76x = 341,228.15 × 151,559.05
  4. Step 4: Simplify right side
    227,408.76x = 51,716,214,626.16
  5. Step 5: Solve for x
    x = 51,716,214,626.16/227,408.76
  6. Step 6: Final answer
    x = 227,415.23

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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.