Finding the Fourth Proportional to 421,941.18, 582,163.68 and 240,586.98
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Solution
The fourth proportional to 421,941.18, 582,163.68 and 240,586.98 is: 331,944.38
Step by Step Solution
- Step 1: Write the proportion equation
421,941.18 : 582,163.68 = 240,586.98 : x - Step 2: Convert to fraction form
421,941.18/582,163.68 = 240,586.98/x - Step 3: Cross multiply
421,941.18x = 582,163.68 × 240,586.98 - Step 4: Simplify right side
421,941.18x = 140,061,001,636.89 - Step 5: Solve for x
x = 140,061,001,636.89/421,941.18 - Step 6: Final answer
x = 331,944.38
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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.