Finding the Fourth Proportional to 198,830.08, 274,381.44 and 108,187.84
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Solution
The fourth proportional to 198,830.08, 274,381.44 and 108,187.84 is: 149,297.00
Step by Step Solution
- Step 1: Write the proportion equation
198,830.08 : 274,381.44 = 108,187.84 : x - Step 2: Convert to fraction form
198,830.08/274,381.44 = 108,187.84/x - Step 3: Cross multiply
198,830.08x = 274,381.44 × 108,187.84 - Step 4: Simplify right side
198,830.08x = 29,684,735,329.69 - Step 5: Solve for x
x = 29,684,735,329.69/198,830.08 - Step 6: Final answer
x = 149,297.00
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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.