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Finding the Fourth Proportional to 315,604.56, 474,107.48 and 195,750.11

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Solution

The fourth proportional to 315,604.56, 474,107.48 and 195,750.11 is: 294,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,604.56 : 474,107.48 = 195,750.11 : x
  2. Step 2: Convert to fraction form
    315,604.56/474,107.48 = 195,750.11/x
  3. Step 3: Cross multiply
    315,604.56x = 474,107.48 × 195,750.11
  4. Step 4: Simplify right side
    315,604.56x = 92,806,592,302.40
  5. Step 5: Solve for x
    x = 92,806,592,302.40/315,604.56
  6. Step 6: Final answer
    x = 294,059.73

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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.