Finding the Fourth Proportional to 252,586.68, 348,567.84 and 139,409.40
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Solution
The fourth proportional to 252,586.68, 348,567.84 and 139,409.40 is: 192,383.99
Step by Step Solution
- Step 1: Write the proportion equation
252,586.68 : 348,567.84 = 139,409.40 : x - Step 2: Convert to fraction form
252,586.68/348,567.84 = 139,409.40/x - Step 3: Cross multiply
252,586.68x = 348,567.84 × 139,409.40 - Step 4: Simplify right side
252,586.68x = 48,593,633,433.70 - Step 5: Solve for x
x = 48,593,633,433.70/252,586.68 - Step 6: Final answer
x = 192,383.99
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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.