Finding the Fourth Proportional to 212,239.41, 318,282.02 and 116,247.88
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Solution
The fourth proportional to 212,239.41, 318,282.02 and 116,247.88 is: 174,329.59
Step by Step Solution
- Step 1: Write the proportion equation
212,239.41 : 318,282.02 = 116,247.88 : x - Step 2: Convert to fraction form
212,239.41/318,282.02 = 116,247.88/x - Step 3: Cross multiply
212,239.41x = 318,282.02 × 116,247.88 - Step 4: Simplify right side
212,239.41x = 36,999,609,183.22 - Step 5: Solve for x
x = 36,999,609,183.22/212,239.41 - Step 6: Final answer
x = 174,329.59
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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.