Finding the Fourth Proportional to 227,316.67, 313,635.47 and 129,198.53
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Solution
The fourth proportional to 227,316.67, 313,635.47 and 129,198.53 is: 178,259.00
Step by Step Solution
- Step 1: Write the proportion equation
227,316.67 : 313,635.47 = 129,198.53 : x - Step 2: Convert to fraction form
227,316.67/313,635.47 = 129,198.53/x - Step 3: Cross multiply
227,316.67x = 313,635.47 × 129,198.53 - Step 4: Simplify right side
227,316.67x = 40,521,241,817.96 - Step 5: Solve for x
x = 40,521,241,817.96/227,316.67 - Step 6: Final answer
x = 178,259.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.