Finding the Fourth Proportional to 203,269.64, 304,855.42 and 84,876.80
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Solution
The fourth proportional to 203,269.64, 304,855.42 and 84,876.80 is: 127,294.72
Step by Step Solution
- Step 1: Write the proportion equation
203,269.64 : 304,855.42 = 84,876.80 : x - Step 2: Convert to fraction form
203,269.64/304,855.42 = 84,876.80/x - Step 3: Cross multiply
203,269.64x = 304,855.42 × 84,876.80 - Step 4: Simplify right side
203,269.64x = 25,875,152,512.26 - Step 5: Solve for x
x = 25,875,152,512.26/203,269.64 - Step 6: Final answer
x = 127,294.72
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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.