Finding the Fourth Proportional to 220,964.63, 304,931.18 and 120,362.63
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Solution
The fourth proportional to 220,964.63, 304,931.18 and 120,362.63 is: 166,100.42
Step by Step Solution
- Step 1: Write the proportion equation
220,964.63 : 304,931.18 = 120,362.63 : x - Step 2: Convert to fraction form
220,964.63/304,931.18 = 120,362.63/x - Step 3: Cross multiply
220,964.63x = 304,931.18 × 120,362.63 - Step 4: Simplify right side
220,964.63x = 36,702,317,570.05 - Step 5: Solve for x
x = 36,702,317,570.05/220,964.63 - Step 6: Final answer
x = 166,100.42
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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.