Finding the Fourth Proportional to 198,064.88, 273,329.98 and 113,181.74
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Solution
The fourth proportional to 198,064.88, 273,329.98 and 113,181.74 is: 156,191.06
Step by Step Solution
- Step 1: Write the proportion equation
198,064.88 : 273,329.98 = 113,181.74 : x - Step 2: Convert to fraction form
198,064.88/273,329.98 = 113,181.74/x - Step 3: Cross multiply
198,064.88x = 273,329.98 × 113,181.74 - Step 4: Simplify right side
198,064.88x = 30,935,962,730.57 - Step 5: Solve for x
x = 30,935,962,730.57/198,064.88 - Step 6: Final answer
x = 156,191.06
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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.