Finding the Fourth Proportional to 199,032.20, 274,651.99 and 109,608.20
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Solution
The fourth proportional to 199,032.20, 274,651.99 and 109,608.20 is: 151,252.46
Step by Step Solution
- Step 1: Write the proportion equation
199,032.20 : 274,651.99 = 109,608.20 : x - Step 2: Convert to fraction form
199,032.20/274,651.99 = 109,608.20/x - Step 3: Cross multiply
199,032.20x = 274,651.99 × 109,608.20 - Step 4: Simplify right side
199,032.20x = 30,104,108,603.04 - Step 5: Solve for x
x = 30,104,108,603.04/199,032.20 - Step 6: Final answer
x = 151,252.46
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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.