Finding the Fourth Proportional to 274,022.99, 378,159.68 and 149,851.26
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Solution
The fourth proportional to 274,022.99, 378,159.68 and 149,851.26 is: 206,799.09
Step by Step Solution
- Step 1: Write the proportion equation
274,022.99 : 378,159.68 = 149,851.26 : x - Step 2: Convert to fraction form
274,022.99/378,159.68 = 149,851.26/x - Step 3: Cross multiply
274,022.99x = 378,159.68 × 149,851.26 - Step 4: Simplify right side
274,022.99x = 56,667,705,184.80 - Step 5: Solve for x
x = 56,667,705,184.80/274,022.99 - Step 6: Final answer
x = 206,799.09
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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.