Finding the Fourth Proportional to 198,655.58, 297,655.66 and 114,486.44
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Solution
The fourth proportional to 198,655.58, 297,655.66 and 114,486.44 is: 171,540.80
Step by Step Solution
- Step 1: Write the proportion equation
198,655.58 : 297,655.66 = 114,486.44 : x - Step 2: Convert to fraction form
198,655.58/297,655.66 = 114,486.44/x - Step 3: Cross multiply
198,655.58x = 297,655.66 × 114,486.44 - Step 4: Simplify right side
198,655.58x = 34,077,536,859.25 - Step 5: Solve for x
x = 34,077,536,859.25/198,655.58 - Step 6: Final answer
x = 171,540.80
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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.