Finding the Fourth Proportional to 212,440.29, 318,586.19 and 62,640.81
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Solution
The fourth proportional to 212,440.29, 318,586.19 and 62,640.81 is: 93,939.32
Step by Step Solution
- Step 1: Write the proportion equation
212,440.29 : 318,586.19 = 62,640.81 : x - Step 2: Convert to fraction form
212,440.29/318,586.19 = 62,640.81/x - Step 3: Cross multiply
212,440.29x = 318,586.19 × 62,640.81 - Step 4: Simplify right side
212,440.29x = 19,956,496,683.21 - Step 5: Solve for x
x = 19,956,496,683.21/212,440.29 - Step 6: Final answer
x = 93,939.32
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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.