Home / 289,834.23-399,994.43-160,785.44

Finding the Fourth Proportional to 289,834.23, 399,994.43 and 160,785.44

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Solution

The fourth proportional to 289,834.23, 399,994.43 and 160,785.44 is: 221,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,834.23 : 399,994.43 = 160,785.44 : x
  2. Step 2: Convert to fraction form
    289,834.23/399,994.43 = 160,785.44/x
  3. Step 3: Cross multiply
    289,834.23x = 399,994.43 × 160,785.44
  4. Step 4: Simplify right side
    289,834.23x = 64,313,277,621.20
  5. Step 5: Solve for x
    x = 64,313,277,621.20/289,834.23
  6. Step 6: Final answer
    x = 221,896.76

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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.