Finding the Fourth Proportional to 363,742.17, 501,964.34 and 210,868.99
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Solution
The fourth proportional to 363,742.17, 501,964.34 and 210,868.99 is: 290,999.29
Step by Step Solution
- Step 1: Write the proportion equation
363,742.17 : 501,964.34 = 210,868.99 : x - Step 2: Convert to fraction form
363,742.17/501,964.34 = 210,868.99/x - Step 3: Cross multiply
363,742.17x = 501,964.34 × 210,868.99 - Step 4: Simplify right side
363,742.17x = 105,848,713,391.82 - Step 5: Solve for x
x = 105,848,713,391.82/363,742.17 - Step 6: Final answer
x = 290,999.29
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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.