Finding the Fourth Proportional to 198,508.05, 296,941.95 and 180,990.18
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Solution
The fourth proportional to 198,508.05, 296,941.95 and 180,990.18 is: 270,737.52
Step by Step Solution
- Step 1: Write the proportion equation
198,508.05 : 296,941.95 = 180,990.18 : x - Step 2: Convert to fraction form
198,508.05/296,941.95 = 180,990.18/x - Step 3: Cross multiply
198,508.05x = 296,941.95 × 180,990.18 - Step 4: Simplify right side
198,508.05x = 53,743,576,980.05 - Step 5: Solve for x
x = 53,743,576,980.05/198,508.05 - Step 6: Final answer
x = 270,737.52
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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.