Finding the Fourth Proportional to 146,364.75, 201,983.40 and 79,296.75
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Solution
The fourth proportional to 146,364.75, 201,983.40 and 79,296.75 is: 109,429.54
Step by Step Solution
- Step 1: Write the proportion equation
146,364.75 : 201,983.40 = 79,296.75 : x - Step 2: Convert to fraction form
146,364.75/201,983.40 = 79,296.75/x - Step 3: Cross multiply
146,364.75x = 201,983.40 × 79,296.75 - Step 4: Simplify right side
146,364.75x = 16,016,627,173.95 - Step 5: Solve for x
x = 16,016,627,173.95/146,364.75 - Step 6: Final answer
x = 109,429.54
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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.