Finding the Fourth Proportional to 148,642.83, 222,583.55 and 82,008.99
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Solution
The fourth proportional to 148,642.83, 222,583.55 and 82,008.99 is: 122,803.45
Step by Step Solution
- Step 1: Write the proportion equation
148,642.83 : 222,583.55 = 82,008.99 : x - Step 2: Convert to fraction form
148,642.83/222,583.55 = 82,008.99/x - Step 3: Cross multiply
148,642.83x = 222,583.55 × 82,008.99 - Step 4: Simplify right side
148,642.83x = 18,253,851,716.07 - Step 5: Solve for x
x = 18,253,851,716.07/148,642.83 - Step 6: Final answer
x = 122,803.45
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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.