Home / 348,213.94-521,648.30-256,868.42

Finding the Fourth Proportional to 348,213.94, 521,648.30 and 256,868.42

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Solution

The fourth proportional to 348,213.94, 521,648.30 and 256,868.42 is: 384,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213.94 : 521,648.30 = 256,868.42 : x
  2. Step 2: Convert to fraction form
    348,213.94/521,648.30 = 256,868.42/x
  3. Step 3: Cross multiply
    348,213.94x = 521,648.30 × 256,868.42
  4. Step 4: Simplify right side
    348,213.94x = 133,994,972,650.62
  5. Step 5: Solve for x
    x = 133,994,972,650.62/348,213.94
  6. Step 6: Final answer
    x = 384,806.46

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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.