Finding the Fourth Proportional to 222,005.79, 306,163.51 and 145,497.02
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Solution
The fourth proportional to 222,005.79, 306,163.51 and 145,497.02 is: 200,651.87
Step by Step Solution
- Step 1: Write the proportion equation
222,005.79 : 306,163.51 = 145,497.02 : x - Step 2: Convert to fraction form
222,005.79/306,163.51 = 145,497.02/x - Step 3: Cross multiply
222,005.79x = 306,163.51 × 145,497.02 - Step 4: Simplify right side
222,005.79x = 44,545,876,443.18 - Step 5: Solve for x
x = 44,545,876,443.18/222,005.79 - Step 6: Final answer
x = 200,651.87
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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.