Finding the Fourth Proportional to 268,486.36, 370,519.84 and 147,636.36
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Solution
The fourth proportional to 268,486.36, 370,519.84 and 147,636.36 is: 203,742.94
Step by Step Solution
- Step 1: Write the proportion equation
268,486.36 : 370,519.84 = 147,636.36 : x - Step 2: Convert to fraction form
268,486.36/370,519.84 = 147,636.36/x - Step 3: Cross multiply
268,486.36x = 370,519.84 × 147,636.36 - Step 4: Simplify right side
268,486.36x = 54,702,200,485.38 - Step 5: Solve for x
x = 54,702,200,485.38/268,486.36 - Step 6: Final answer
x = 203,742.94
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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.