Finding the Fourth Proportional to 347,149.11, 478,872.84 and 201,938.55
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Solution
The fourth proportional to 347,149.11, 478,872.84 and 201,938.55 is: 278,562.97
Step by Step Solution
- Step 1: Write the proportion equation
347,149.11 : 478,872.84 = 201,938.55 : x - Step 2: Convert to fraction form
347,149.11/478,872.84 = 201,938.55/x - Step 3: Cross multiply
347,149.11x = 478,872.84 × 201,938.55 - Step 4: Simplify right side
347,149.11x = 96,702,886,943.98 - Step 5: Solve for x
x = 96,702,886,943.98/347,149.11 - Step 6: Final answer
x = 278,562.97
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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.