Finding the Fourth Proportional to 540,605.99, 810,121.66 and 259,795.19
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Solution
The fourth proportional to 540,605.99, 810,121.66 and 259,795.19 is: 389,314.43
Step by Step Solution
- Step 1: Write the proportion equation
540,605.99 : 810,121.66 = 259,795.19 : x - Step 2: Convert to fraction form
540,605.99/810,121.66 = 259,795.19/x - Step 3: Cross multiply
540,605.99x = 810,121.66 × 259,795.19 - Step 4: Simplify right side
540,605.99x = 210,465,710,582.82 - Step 5: Solve for x
x = 210,465,710,582.82/540,605.99 - Step 6: Final answer
x = 389,314.43
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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.