Home / 290,087.82-400,328.09-162,772.83

Finding the Fourth Proportional to 290,087.82, 400,328.09 and 162,772.83

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Solution

The fourth proportional to 290,087.82, 400,328.09 and 162,772.83 is: 224,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,087.82 : 400,328.09 = 162,772.83 : x
  2. Step 2: Convert to fraction form
    290,087.82/400,328.09 = 162,772.83/x
  3. Step 3: Cross multiply
    290,087.82x = 400,328.09 × 162,772.83
  4. Step 4: Simplify right side
    290,087.82x = 65,162,535,323.93
  5. Step 5: Solve for x
    x = 65,162,535,323.93/290,087.82
  6. Step 6: Final answer
    x = 224,630.37

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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.