Finding the Fourth Proportional to 198,620.07, 274,075.23 and 118,032.09
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Solution
The fourth proportional to 198,620.07, 274,075.23 and 118,032.09 is: 162,872.12
Step by Step Solution
- Step 1: Write the proportion equation
198,620.07 : 274,075.23 = 118,032.09 : x - Step 2: Convert to fraction form
198,620.07/274,075.23 = 118,032.09/x - Step 3: Cross multiply
198,620.07x = 274,075.23 × 118,032.09 - Step 4: Simplify right side
198,620.07x = 32,349,672,214.13 - Step 5: Solve for x
x = 32,349,672,214.13/198,620.07 - Step 6: Final answer
x = 162,872.12
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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.