Finding the Fourth Proportional to 212,365.24, 318,744.78 and 107,257.96
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Solution
The fourth proportional to 212,365.24, 318,744.78 and 107,257.96 is: 160,986.40
Step by Step Solution
- Step 1: Write the proportion equation
212,365.24 : 318,744.78 = 107,257.96 : x - Step 2: Convert to fraction form
212,365.24/318,744.78 = 107,257.96/x - Step 3: Cross multiply
212,365.24x = 318,744.78 × 107,257.96 - Step 4: Simplify right side
212,365.24x = 34,187,914,863.45 - Step 5: Solve for x
x = 34,187,914,863.45/212,365.24 - Step 6: Final answer
x = 160,986.40
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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.