Finding the Fourth Proportional to 300,646.05, 414,891.36 and 164,678.82
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Solution
The fourth proportional to 300,646.05, 414,891.36 and 164,678.82 is: 227,256.67
Step by Step Solution
- Step 1: Write the proportion equation
300,646.05 : 414,891.36 = 164,678.82 : x - Step 2: Convert to fraction form
300,646.05/414,891.36 = 164,678.82/x - Step 3: Cross multiply
300,646.05x = 414,891.36 × 164,678.82 - Step 4: Simplify right side
300,646.05x = 68,323,819,593.00 - Step 5: Solve for x
x = 68,323,819,593.00/300,646.05 - Step 6: Final answer
x = 227,256.67
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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.