Home / 348,787.72-481,183.86-253,082.44

Finding the Fourth Proportional to 348,787.72, 481,183.86 and 253,082.44

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Solution

The fourth proportional to 348,787.72, 481,183.86 and 253,082.44 is: 349,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,787.72 : 481,183.86 = 253,082.44 : x
  2. Step 2: Convert to fraction form
    348,787.72/481,183.86 = 253,082.44/x
  3. Step 3: Cross multiply
    348,787.72x = 481,183.86 × 253,082.44
  4. Step 4: Simplify right side
    348,787.72x = 121,779,185,377.42
  5. Step 5: Solve for x
    x = 121,779,185,377.42/348,787.72
  6. Step 6: Final answer
    x = 349,149.87

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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.