Finding the Fourth Proportional to 161,716.60, 226,869.80 and 161,716.60
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Solution
The fourth proportional to 161,716.60, 226,869.80 and 161,716.60 is: 226,869.80
Step by Step Solution
- Step 1: Write the proportion equation
161,716.60 : 226,869.80 = 161,716.60 : x - Step 2: Convert to fraction form
161,716.60/226,869.80 = 161,716.60/x - Step 3: Cross multiply
161,716.60x = 226,869.80 × 161,716.60 - Step 4: Simplify right side
161,716.60x = 36,688,612,698.68 - Step 5: Solve for x
x = 36,688,612,698.68/161,716.60 - Step 6: Final answer
x = 226,869.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.