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Finding the Fourth Proportional to 290,200.33, 400,362.01 and 167,611.69

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Solution

The fourth proportional to 290,200.33, 400,362.01 and 167,611.69 is: 231,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,200.33 : 400,362.01 = 167,611.69 : x
  2. Step 2: Convert to fraction form
    290,200.33/400,362.01 = 167,611.69/x
  3. Step 3: Cross multiply
    290,200.33x = 400,362.01 × 167,611.69
  4. Step 4: Simplify right side
    290,200.33x = 67,105,353,107.90
  5. Step 5: Solve for x
    x = 67,105,353,107.90/290,200.33
  6. Step 6: Final answer
    x = 231,238.03

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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.