Finding the Fourth Proportional to 212,435.96, 318,544.16 and 62,657.18
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Solution
The fourth proportional to 212,435.96, 318,544.16 and 62,657.18 is: 93,953.39
Step by Step Solution
- Step 1: Write the proportion equation
212,435.96 : 318,544.16 = 62,657.18 : x - Step 2: Convert to fraction form
212,435.96/318,544.16 = 62,657.18/x - Step 3: Cross multiply
212,435.96x = 318,544.16 × 62,657.18 - Step 4: Simplify right side
212,435.96x = 19,959,078,771.07 - Step 5: Solve for x
x = 19,959,078,771.07/212,435.96 - Step 6: Final answer
x = 93,953.39
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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.