Home / 290,153.27-400,450.62-162,835.85

Finding the Fourth Proportional to 290,153.27, 400,450.62 and 162,835.85

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Solution

The fourth proportional to 290,153.27, 400,450.62 and 162,835.85 is: 224,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,153.27 : 400,450.62 = 162,835.85 : x
  2. Step 2: Convert to fraction form
    290,153.27/400,450.62 = 162,835.85/x
  3. Step 3: Cross multiply
    290,153.27x = 400,450.62 × 162,835.85
  4. Step 4: Simplify right side
    290,153.27x = 65,207,717,090.73
  5. Step 5: Solve for x
    x = 65,207,717,090.73/290,153.27
  6. Step 6: Final answer
    x = 224,735.42

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1.5x scale

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.