Finding the Fourth Proportional to 286,399.62, 395,241.39 and 159,087.06
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Solution
The fourth proportional to 286,399.62, 395,241.39 and 159,087.06 is: 219,545.65
Step by Step Solution
- Step 1: Write the proportion equation
286,399.62 : 395,241.39 = 159,087.06 : x - Step 2: Convert to fraction form
286,399.62/395,241.39 = 159,087.06/x - Step 3: Cross multiply
286,399.62x = 395,241.39 × 159,087.06 - Step 4: Simplify right side
286,399.62x = 62,877,790,725.41 - Step 5: Solve for x
x = 62,877,790,725.41/286,399.62 - Step 6: Final answer
x = 219,545.65
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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.