Finding the Fourth Proportional to 198,613.80, 274,059.99 and 118,011.96
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Solution
The fourth proportional to 198,613.80, 274,059.99 and 118,011.96 is: 162,840.43
Step by Step Solution
- Step 1: Write the proportion equation
198,613.80 : 274,059.99 = 118,011.96 : x - Step 2: Convert to fraction form
198,613.80/274,059.99 = 118,011.96/x - Step 3: Cross multiply
198,613.80x = 274,059.99 × 118,011.96 - Step 4: Simplify right side
198,613.80x = 32,342,356,577.48 - Step 5: Solve for x
x = 32,342,356,577.48/198,613.80 - Step 6: Final answer
x = 162,840.43
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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.