Finding the Fourth Proportional to 199,539.63, 275,400.18 and 118,972.26
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Solution
The fourth proportional to 199,539.63, 275,400.18 and 118,972.26 is: 164,202.88
Step by Step Solution
- Step 1: Write the proportion equation
199,539.63 : 275,400.18 = 118,972.26 : x - Step 2: Convert to fraction form
199,539.63/275,400.18 = 118,972.26/x - Step 3: Cross multiply
199,539.63x = 275,400.18 × 118,972.26 - Step 4: Simplify right side
199,539.63x = 32,764,981,819.01 - Step 5: Solve for x
x = 32,764,981,819.01/199,539.63 - Step 6: Final answer
x = 164,202.88
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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.