Finding the Fourth Proportional to 274,043.99, 378,174.04 and 153,199.49
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Solution
The fourth proportional to 274,043.99, 378,174.04 and 153,199.49 is: 211,411.56
Step by Step Solution
- Step 1: Write the proportion equation
274,043.99 : 378,174.04 = 153,199.49 : x - Step 2: Convert to fraction form
274,043.99/378,174.04 = 153,199.49/x - Step 3: Cross multiply
274,043.99x = 378,174.04 × 153,199.49 - Step 4: Simplify right side
274,043.99x = 57,936,068,168.37 - Step 5: Solve for x
x = 57,936,068,168.37/274,043.99 - Step 6: Final answer
x = 211,411.56
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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.