Finding the Fourth Proportional to 198,212.06, 273,532.95 and 113,330.95
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Solution
The fourth proportional to 198,212.06, 273,532.95 and 113,330.95 is: 156,396.88
Step by Step Solution
- Step 1: Write the proportion equation
198,212.06 : 273,532.95 = 113,330.95 : x - Step 2: Convert to fraction form
198,212.06/273,532.95 = 113,330.95/x - Step 3: Cross multiply
198,212.06x = 273,532.95 × 113,330.95 - Step 4: Simplify right side
198,212.06x = 30,999,748,395.97 - Step 5: Solve for x
x = 30,999,748,395.97/198,212.06 - Step 6: Final answer
x = 156,396.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.