Finding the Fourth Proportional to 212,476.55, 318,640.55 and 62,677.07
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Solution
The fourth proportional to 212,476.55, 318,640.55 and 62,677.07 is: 93,993.70
Step by Step Solution
- Step 1: Write the proportion equation
212,476.55 : 318,640.55 = 62,677.07 : x - Step 2: Convert to fraction form
212,476.55/318,640.55 = 62,677.07/x - Step 3: Cross multiply
212,476.55x = 318,640.55 × 62,677.07 - Step 4: Simplify right side
212,476.55x = 19,971,456,057.19 - Step 5: Solve for x
x = 19,971,456,057.19/212,476.55 - Step 6: Final answer
x = 93,993.70
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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.