Finding the Fourth Proportional to 198,793.36, 274,244.43 and 118,175.14
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Solution
The fourth proportional to 198,793.36, 274,244.43 and 118,175.14 is: 163,027.95
Step by Step Solution
- Step 1: Write the proportion equation
198,793.36 : 274,244.43 = 118,175.14 : x - Step 2: Convert to fraction form
198,793.36/274,244.43 = 118,175.14/x - Step 3: Cross multiply
198,793.36x = 274,244.43 × 118,175.14 - Step 4: Simplify right side
198,793.36x = 32,408,873,909.47 - Step 5: Solve for x
x = 32,408,873,909.47/198,793.36 - Step 6: Final answer
x = 163,027.95
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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.