Home / 397,247.72-595,787.52-130,944.94

Finding the Fourth Proportional to 397,247.72, 595,787.52 and 130,944.94

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Solution

The fourth proportional to 397,247.72, 595,787.52 and 130,944.94 is: 196,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,247.72 : 595,787.52 = 130,944.94 : x
  2. Step 2: Convert to fraction form
    397,247.72/595,787.52 = 130,944.94/x
  3. Step 3: Cross multiply
    397,247.72x = 595,787.52 × 130,944.94
  4. Step 4: Simplify right side
    397,247.72x = 78,015,359,569.68
  5. Step 5: Solve for x
    x = 78,015,359,569.68/397,247.72
  6. Step 6: Final answer
    x = 196,389.70

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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.