Finding the Fourth Proportional to 199,431.95, 298,980.14 and 92,761.70
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Solution
The fourth proportional to 199,431.95, 298,980.14 and 92,761.70 is: 139,064.50
Step by Step Solution
- Step 1: Write the proportion equation
199,431.95 : 298,980.14 = 92,761.70 : x - Step 2: Convert to fraction form
199,431.95/298,980.14 = 92,761.70/x - Step 3: Cross multiply
199,431.95x = 298,980.14 × 92,761.70 - Step 4: Simplify right side
199,431.95x = 27,733,904,093.93 - Step 5: Solve for x
x = 27,733,904,093.93/199,431.95 - Step 6: Final answer
x = 139,064.50
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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.