Finding the Fourth Proportional to 300,123.39, 414,167.26 and 164,159.99
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Solution
The fourth proportional to 300,123.39, 414,167.26 and 164,159.99 is: 226,539.14
Step by Step Solution
- Step 1: Write the proportion equation
300,123.39 : 414,167.26 = 164,159.99 : x - Step 2: Convert to fraction form
300,123.39/414,167.26 = 164,159.99/x - Step 3: Cross multiply
300,123.39x = 414,167.26 × 164,159.99 - Step 4: Simplify right side
300,123.39x = 67,989,694,497.01 - Step 5: Solve for x
x = 67,989,694,497.01/300,123.39 - Step 6: Final answer
x = 226,539.14
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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.