Home / 296,781.26-445,172.06-208,429.19

Finding the Fourth Proportional to 296,781.26, 445,172.06 and 208,429.19

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Solution

The fourth proportional to 296,781.26, 445,172.06 and 208,429.19 is: 312,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,781.26 : 445,172.06 = 208,429.19 : x
  2. Step 2: Convert to fraction form
    296,781.26/445,172.06 = 208,429.19/x
  3. Step 3: Cross multiply
    296,781.26x = 445,172.06 × 208,429.19
  4. Step 4: Simplify right side
    296,781.26x = 92,786,848,608.43
  5. Step 5: Solve for x
    x = 92,786,848,608.43/296,781.26
  6. Step 6: Final answer
    x = 312,643.90

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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.