Finding the Fourth Proportional to 252,809.49, 348,786.42 and 149,421.99
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Solution
The fourth proportional to 252,809.49, 348,786.42 and 149,421.99 is: 206,148.75
Step by Step Solution
- Step 1: Write the proportion equation
252,809.49 : 348,786.42 = 149,421.99 : x - Step 2: Convert to fraction form
252,809.49/348,786.42 = 149,421.99/x - Step 3: Cross multiply
252,809.49x = 348,786.42 × 149,421.99 - Step 4: Simplify right side
252,809.49x = 52,116,360,961.38 - Step 5: Solve for x
x = 52,116,360,961.38/252,809.49 - Step 6: Final answer
x = 206,148.75
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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.