Finding the Fourth Proportional to 212,770.41, 293,619.66 and 117,285.99
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Solution
The fourth proportional to 212,770.41, 293,619.66 and 117,285.99 is: 161,852.73
Step by Step Solution
- Step 1: Write the proportion equation
212,770.41 : 293,619.66 = 117,285.99 : x - Step 2: Convert to fraction form
212,770.41/293,619.66 = 117,285.99/x - Step 3: Cross multiply
212,770.41x = 293,619.66 × 117,285.99 - Step 4: Simplify right side
212,770.41x = 34,437,470,452.04 - Step 5: Solve for x
x = 34,437,470,452.04/212,770.41 - Step 6: Final answer
x = 161,852.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.