Home / 355,895.30-491,135.51-194,750.37

Finding the Fourth Proportional to 355,895.30, 491,135.51 and 194,750.37

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Solution

The fourth proportional to 355,895.30, 491,135.51 and 194,750.37 is: 268,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,895.30 : 491,135.51 = 194,750.37 : x
  2. Step 2: Convert to fraction form
    355,895.30/491,135.51 = 194,750.37/x
  3. Step 3: Cross multiply
    355,895.30x = 491,135.51 × 194,750.37
  4. Step 4: Simplify right side
    355,895.30x = 95,648,821,318.89
  5. Step 5: Solve for x
    x = 95,648,821,318.89/355,895.30
  6. Step 6: Final answer
    x = 268,755.51

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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.