Finding the Fourth Proportional to 202,539.06, 303,620.78 and 69,387.68
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Solution
The fourth proportional to 202,539.06, 303,620.78 and 69,387.68 is: 104,017.17
Step by Step Solution
- Step 1: Write the proportion equation
202,539.06 : 303,620.78 = 69,387.68 : x - Step 2: Convert to fraction form
202,539.06/303,620.78 = 69,387.68/x - Step 3: Cross multiply
202,539.06x = 303,620.78 × 69,387.68 - Step 4: Simplify right side
202,539.06x = 21,067,539,658.95 - Step 5: Solve for x
x = 21,067,539,658.95/202,539.06 - Step 6: Final answer
x = 104,017.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.