Finding the Fourth Proportional to 512,482.14, 768,743.46 and 192,601.80
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Solution
The fourth proportional to 512,482.14, 768,743.46 and 192,601.80 is: 288,910.31
Step by Step Solution
- Step 1: Write the proportion equation
512,482.14 : 768,743.46 = 192,601.80 : x - Step 2: Convert to fraction form
512,482.14/768,743.46 = 192,601.80/x - Step 3: Cross multiply
512,482.14x = 768,743.46 × 192,601.80 - Step 4: Simplify right side
512,482.14x = 148,061,374,134.23 - Step 5: Solve for x
x = 148,061,374,134.23/512,482.14 - Step 6: Final answer
x = 288,910.31
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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.