Finding the Fourth Proportional to 198,686.67, 298,030.67 and 48,930.49
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Solution
The fourth proportional to 198,686.67, 298,030.67 and 48,930.49 is: 73,395.90
Step by Step Solution
- Step 1: Write the proportion equation
198,686.67 : 298,030.67 = 48,930.49 : x - Step 2: Convert to fraction form
198,686.67/298,030.67 = 48,930.49/x - Step 3: Cross multiply
198,686.67x = 298,030.67 × 48,930.49 - Step 4: Simplify right side
198,686.67x = 14,582,786,718.13 - Step 5: Solve for x
x = 14,582,786,718.13/198,686.67 - Step 6: Final answer
x = 73,395.90
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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.