Finding the Fourth Proportional to 299,843.05, 413,782.44 and 163,876.99
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Solution
The fourth proportional to 299,843.05, 413,782.44 and 163,876.99 is: 226,149.72
Step by Step Solution
- Step 1: Write the proportion equation
299,843.05 : 413,782.44 = 163,876.99 : x - Step 2: Convert to fraction form
299,843.05/413,782.44 = 163,876.99/x - Step 3: Cross multiply
299,843.05x = 413,782.44 × 163,876.99 - Step 4: Simplify right side
299,843.05x = 67,809,420,782.06 - Step 5: Solve for x
x = 67,809,420,782.06/299,843.05 - Step 6: Final answer
x = 226,149.72
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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.