Finding the Fourth Proportional to 138,472.24, 207,745.54 and 43,706.08
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Solution
The fourth proportional to 138,472.24, 207,745.54 and 43,706.08 is: 65,570.86
Step by Step Solution
- Step 1: Write the proportion equation
138,472.24 : 207,745.54 = 43,706.08 : x - Step 2: Convert to fraction form
138,472.24/207,745.54 = 43,706.08/x - Step 3: Cross multiply
138,472.24x = 207,745.54 × 43,706.08 - Step 4: Simplify right side
138,472.24x = 9,079,743,190.88 - Step 5: Solve for x
x = 9,079,743,190.88/138,472.24 - Step 6: Final answer
x = 65,570.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.