Finding the Fourth Proportional to 379,125.68, 568,497.84 and 126,316.64
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Solution
The fourth proportional to 379,125.68, 568,497.84 and 126,316.64 is: 189,411.43
Step by Step Solution
- Step 1: Write the proportion equation
379,125.68 : 568,497.84 = 126,316.64 : x - Step 2: Convert to fraction form
379,125.68/568,497.84 = 126,316.64/x - Step 3: Cross multiply
379,125.68x = 568,497.84 × 126,316.64 - Step 4: Simplify right side
379,125.68x = 71,810,736,996.06 - Step 5: Solve for x
x = 71,810,736,996.06/379,125.68 - Step 6: Final answer
x = 189,411.43
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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.