Finding the Fourth Proportional to 540,612.99, 810,132.15 and 259,802.19
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Solution
The fourth proportional to 540,612.99, 810,132.15 and 259,802.19 is: 389,324.92
Step by Step Solution
- Step 1: Write the proportion equation
540,612.99 : 810,132.15 = 259,802.19 : x - Step 2: Convert to fraction form
540,612.99/810,132.15 = 259,802.19/x - Step 3: Cross multiply
540,612.99x = 810,132.15 × 259,802.19 - Step 4: Simplify right side
540,612.99x = 210,474,106,759.41 - Step 5: Solve for x
x = 210,474,106,759.41/540,612.99 - Step 6: Final answer
x = 389,324.92
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1.5x scale
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.