Finding the Fourth Proportional to 183,723.98, 253,566.79 and 112,145.49
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Solution
The fourth proportional to 183,723.98, 253,566.79 and 112,145.49 is: 154,777.69
Step by Step Solution
- Step 1: Write the proportion equation
183,723.98 : 253,566.79 = 112,145.49 : x - Step 2: Convert to fraction form
183,723.98/253,566.79 = 112,145.49/x - Step 3: Cross multiply
183,723.98x = 253,566.79 × 112,145.49 - Step 4: Simplify right side
183,723.98x = 28,436,371,631.91 - Step 5: Solve for x
x = 28,436,371,631.91/183,723.98 - Step 6: Final answer
x = 154,777.69
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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.