Finding the Fourth Proportional to 270,366.24, 405,571.08 and 80,812.80
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Solution
The fourth proportional to 270,366.24, 405,571.08 and 80,812.80 is: 121,225.69
Step by Step Solution
- Step 1: Write the proportion equation
270,366.24 : 405,571.08 = 80,812.80 : x - Step 2: Convert to fraction form
270,366.24/405,571.08 = 80,812.80/x - Step 3: Cross multiply
270,366.24x = 405,571.08 × 80,812.80 - Step 4: Simplify right side
270,366.24x = 32,775,334,573.82 - Step 5: Solve for x
x = 32,775,334,573.82/270,366.24 - Step 6: Final answer
x = 121,225.69
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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.