Finding the Fourth Proportional to 226,477.70, 339,716.55 and 121,501.70
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Solution
The fourth proportional to 226,477.70, 339,716.55 and 121,501.70 is: 182,252.55
Step by Step Solution
- Step 1: Write the proportion equation
226,477.70 : 339,716.55 = 121,501.70 : x - Step 2: Convert to fraction form
226,477.70/339,716.55 = 121,501.70/x - Step 3: Cross multiply
226,477.70x = 339,716.55 × 121,501.70 - Step 4: Simplify right side
226,477.70x = 41,276,138,343.14 - Step 5: Solve for x
x = 41,276,138,343.14/226,477.70 - Step 6: Final answer
x = 182,252.55
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1.5x scale
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.