Finding the Fourth Proportional to 286,310.10, 395,105.67 and 158,986.02
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Solution
The fourth proportional to 286,310.10, 395,105.67 and 158,986.02 is: 219,399.45
Step by Step Solution
- Step 1: Write the proportion equation
286,310.10 : 395,105.67 = 158,986.02 : x - Step 2: Convert to fraction form
286,310.10/395,105.67 = 158,986.02/x - Step 3: Cross multiply
286,310.10x = 395,105.67 × 158,986.02 - Step 4: Simplify right side
286,310.10x = 62,816,277,952.73 - Step 5: Solve for x
x = 62,816,277,952.73/286,310.10 - Step 6: Final answer
x = 219,399.45
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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.