Finding the Fourth Proportional to 253,082.07, 379,702.08 and 75,596.09
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Solution
The fourth proportional to 253,082.07, 379,702.08 and 75,596.09 is: 113,417.72
Step by Step Solution
- Step 1: Write the proportion equation
253,082.07 : 379,702.08 = 75,596.09 : x - Step 2: Convert to fraction form
253,082.07/379,702.08 = 75,596.09/x - Step 3: Cross multiply
253,082.07x = 379,702.08 × 75,596.09 - Step 4: Simplify right side
253,082.07x = 28,703,990,714.36 - Step 5: Solve for x
x = 28,703,990,714.36/253,082.07 - Step 6: Final answer
x = 113,417.72
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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.