Finding the Fourth Proportional to 161,313.58, 222,668.12 and 97,651.40
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Solution
The fourth proportional to 161,313.58, 222,668.12 and 97,651.40 is: 134,792.45
Step by Step Solution
- Step 1: Write the proportion equation
161,313.58 : 222,668.12 = 97,651.40 : x - Step 2: Convert to fraction form
161,313.58/222,668.12 = 97,651.40/x - Step 3: Cross multiply
161,313.58x = 222,668.12 × 97,651.40 - Step 4: Simplify right side
161,313.58x = 21,743,852,051.77 - Step 5: Solve for x
x = 21,743,852,051.77/161,313.58 - Step 6: Final answer
x = 134,792.45
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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.