Finding the Fourth Proportional to 226,729.80, 340,356.60 and 121,753.80
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Solution
The fourth proportional to 226,729.80, 340,356.60 and 121,753.80 is: 182,771.34
Step by Step Solution
- Step 1: Write the proportion equation
226,729.80 : 340,356.60 = 121,753.80 : x - Step 2: Convert to fraction form
226,729.80/340,356.60 = 121,753.80/x - Step 3: Cross multiply
226,729.80x = 340,356.60 × 121,753.80 - Step 4: Simplify right side
226,729.80x = 41,439,709,405.08 - Step 5: Solve for x
x = 41,439,709,405.08/226,729.80 - Step 6: Final answer
x = 182,771.34
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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.