Finding the Fourth Proportional to 199,318.52, 298,912.80 and 66,163.04
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Solution
The fourth proportional to 199,318.52, 298,912.80 and 66,163.04 is: 99,222.99
Step by Step Solution
- Step 1: Write the proportion equation
199,318.52 : 298,912.80 = 66,163.04 : x - Step 2: Convert to fraction form
199,318.52/298,912.80 = 66,163.04/x - Step 3: Cross multiply
199,318.52x = 298,912.80 × 66,163.04 - Step 4: Simplify right side
199,318.52x = 19,776,979,542.91 - Step 5: Solve for x
x = 19,776,979,542.91/199,318.52 - Step 6: Final answer
x = 99,222.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.