Finding the Fourth Proportional to 203,129.90, 304,723.17 and 84,774.14
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Solution
The fourth proportional to 203,129.90, 304,723.17 and 84,774.14 is: 127,173.03
Step by Step Solution
- Step 1: Write the proportion equation
203,129.90 : 304,723.17 = 84,774.14 : x - Step 2: Convert to fraction form
203,129.90/304,723.17 = 84,774.14/x - Step 3: Cross multiply
203,129.90x = 304,723.17 × 84,774.14 - Step 4: Simplify right side
203,129.90x = 25,832,644,674.82 - Step 5: Solve for x
x = 25,832,644,674.82/203,129.90 - Step 6: Final answer
x = 127,173.03
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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.