Finding the Fourth Proportional to 212,039.62, 318,010.20 and 62,239.68
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Solution
The fourth proportional to 212,039.62, 318,010.20 and 62,239.68 is: 93,345.07
Step by Step Solution
- Step 1: Write the proportion equation
212,039.62 : 318,010.20 = 62,239.68 : x - Step 2: Convert to fraction form
212,039.62/318,010.20 = 62,239.68/x - Step 3: Cross multiply
212,039.62x = 318,010.20 × 62,239.68 - Step 4: Simplify right side
212,039.62x = 19,792,853,084.74 - Step 5: Solve for x
x = 19,792,853,084.74/212,039.62 - Step 6: Final answer
x = 93,345.07
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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.