Finding the Fourth Proportional to 218,242.68, 327,420.99 and 68,487.72
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Solution
The fourth proportional to 218,242.68, 327,420.99 and 68,487.72 is: 102,749.46
Step by Step Solution
- Step 1: Write the proportion equation
218,242.68 : 327,420.99 = 68,487.72 : x - Step 2: Convert to fraction form
218,242.68/327,420.99 = 68,487.72/x - Step 3: Cross multiply
218,242.68x = 327,420.99 × 68,487.72 - Step 4: Simplify right side
218,242.68x = 22,424,317,085.24 - Step 5: Solve for x
x = 22,424,317,085.24/218,242.68 - Step 6: Final answer
x = 102,749.46
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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.