Finding the Fourth Proportional to 198,707.05, 274,119.28 and 118,077.49
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Solution
The fourth proportional to 198,707.05, 274,119.28 and 118,077.49 is: 162,889.62
Step by Step Solution
- Step 1: Write the proportion equation
198,707.05 : 274,119.28 = 118,077.49 : x - Step 2: Convert to fraction form
198,707.05/274,119.28 = 118,077.49/x - Step 3: Cross multiply
198,707.05x = 274,119.28 × 118,077.49 - Step 4: Simplify right side
198,707.05x = 32,367,316,543.01 - Step 5: Solve for x
x = 32,367,316,543.01/198,707.05 - Step 6: Final answer
x = 162,889.62
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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.