Home / 289,945.17-400,124.30-162,620.73

Finding the Fourth Proportional to 289,945.17, 400,124.30 and 162,620.73

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Solution

The fourth proportional to 289,945.17, 400,124.30 and 162,620.73 is: 224,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,945.17 : 400,124.30 = 162,620.73 : x
  2. Step 2: Convert to fraction form
    289,945.17/400,124.30 = 162,620.73/x
  3. Step 3: Cross multiply
    289,945.17x = 400,124.30 × 162,620.73
  4. Step 4: Simplify right side
    289,945.17x = 65,068,504,943.64
  5. Step 5: Solve for x
    x = 65,068,504,943.64/289,945.17
  6. Step 6: Final answer
    x = 224,416.59

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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.