Finding the Fourth Proportional to 132,603.06, 198,941.11 and 39,108.81
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Solution
The fourth proportional to 132,603.06, 198,941.11 and 39,108.81 is: 58,673.99
Step by Step Solution
- Step 1: Write the proportion equation
132,603.06 : 198,941.11 = 39,108.81 : x - Step 2: Convert to fraction form
132,603.06/198,941.11 = 39,108.81/x - Step 3: Cross multiply
132,603.06x = 198,941.11 × 39,108.81 - Step 4: Simplify right side
132,603.06x = 7,780,350,072.18 - Step 5: Solve for x
x = 7,780,350,072.18/132,603.06 - Step 6: Final answer
x = 58,673.99
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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.