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Finding the Fourth Proportional to 342,093.40, 472,102.02 and 227,173.37

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Solution

The fourth proportional to 342,093.40, 472,102.02 and 227,173.37 is: 313,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,093.40 : 472,102.02 = 227,173.37 : x
  2. Step 2: Convert to fraction form
    342,093.40/472,102.02 = 227,173.37/x
  3. Step 3: Cross multiply
    342,093.40x = 472,102.02 × 227,173.37
  4. Step 4: Simplify right side
    342,093.40x = 107,249,004,506.70
  5. Step 5: Solve for x
    x = 107,249,004,506.70/342,093.40
  6. Step 6: Final answer
    x = 313,507.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.