Finding the Fourth Proportional to 848,789.91, 1,273,185.21 and 209,106.09
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Solution
The fourth proportional to 848,789.91, 1,273,185.21 and 209,106.09 is: 313,659.23
Step by Step Solution
- Step 1: Write the proportion equation
848,789.91 : 1,273,185.21 = 209,106.09 : x - Step 2: Convert to fraction form
848,789.91/1,273,185.21 = 209,106.09/x - Step 3: Cross multiply
848,789.91x = 1,273,185.21 × 209,106.09 - Step 4: Simplify right side
848,789.91x = 266,230,786,667.52 - Step 5: Solve for x
x = 266,230,786,667.52/848,789.91 - Step 6: Final answer
x = 313,659.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.