Finding the Fourth Proportional to 459,178.05, 688,613.99 and 192,888.93
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Solution
The fourth proportional to 459,178.05, 688,613.99 and 192,888.93 is: 289,269.09
Step by Step Solution
- Step 1: Write the proportion equation
459,178.05 : 688,613.99 = 192,888.93 : x - Step 2: Convert to fraction form
459,178.05/688,613.99 = 192,888.93/x - Step 3: Cross multiply
459,178.05x = 688,613.99 × 192,888.93 - Step 4: Simplify right side
459,178.05x = 132,826,015,714.13 - Step 5: Solve for x
x = 132,826,015,714.13/459,178.05 - Step 6: Final answer
x = 289,269.09
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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.