Finding the Fourth Proportional to 198,171.93, 297,258.09 and 92,991.00
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Solution
The fourth proportional to 198,171.93, 297,258.09 and 92,991.00 is: 139,486.59
Step by Step Solution
- Step 1: Write the proportion equation
198,171.93 : 297,258.09 = 92,991.00 : x - Step 2: Convert to fraction form
198,171.93/297,258.09 = 92,991.00/x - Step 3: Cross multiply
198,171.93x = 297,258.09 × 92,991.00 - Step 4: Simplify right side
198,171.93x = 27,642,325,560.90 - Step 5: Solve for x
x = 27,642,325,560.90/198,171.93 - Step 6: Final answer
x = 139,486.59
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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.