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Finding the Fourth Proportional to 290,097.26, 435,047.34 and 100,513.37

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Solution

The fourth proportional to 290,097.26, 435,047.34 and 100,513.37 is: 150,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,097.26 : 435,047.34 = 100,513.37 : x
  2. Step 2: Convert to fraction form
    290,097.26/435,047.34 = 100,513.37/x
  3. Step 3: Cross multiply
    290,097.26x = 435,047.34 × 100,513.37
  4. Step 4: Simplify right side
    290,097.26x = 43,728,074,252.94
  5. Step 5: Solve for x
    x = 43,728,074,252.94/290,097.26
  6. Step 6: Final answer
    x = 150,735.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.