Home / 289,350.44-399,299.27-160,288.52

Finding the Fourth Proportional to 289,350.44, 399,299.27 and 160,288.52

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Solution

The fourth proportional to 289,350.44, 399,299.27 and 160,288.52 is: 221,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,350.44 : 399,299.27 = 160,288.52 : x
  2. Step 2: Convert to fraction form
    289,350.44/399,299.27 = 160,288.52/x
  3. Step 3: Cross multiply
    289,350.44x = 399,299.27 × 160,288.52
  4. Step 4: Simplify right side
    289,350.44x = 64,003,086,227.44
  5. Step 5: Solve for x
    x = 64,003,086,227.44/289,350.44
  6. Step 6: Final answer
    x = 221,195.75

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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.