Finding the Fourth Proportional to 274,302.09, 378,553.84 and 153,451.51
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Solution
The fourth proportional to 274,302.09, 378,553.84 and 153,451.51 is: 211,772.56
Step by Step Solution
- Step 1: Write the proportion equation
274,302.09 : 378,553.84 = 153,451.51 : x - Step 2: Convert to fraction form
274,302.09/378,553.84 = 153,451.51/x - Step 3: Cross multiply
274,302.09x = 378,553.84 × 153,451.51 - Step 4: Simplify right side
274,302.09x = 58,089,657,034.29 - Step 5: Solve for x
x = 58,089,657,034.29/274,302.09 - Step 6: Final answer
x = 211,772.56
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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.