Finding the Fourth Proportional to 301,286.96, 451,933.09 and 76,647.63
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Solution
The fourth proportional to 301,286.96, 451,933.09 and 76,647.63 is: 114,972.12
Step by Step Solution
- Step 1: Write the proportion equation
301,286.96 : 451,933.09 = 76,647.63 : x - Step 2: Convert to fraction form
301,286.96/451,933.09 = 76,647.63/x - Step 3: Cross multiply
301,286.96x = 451,933.09 × 76,647.63 - Step 4: Simplify right side
301,286.96x = 34,639,600,267.08 - Step 5: Solve for x
x = 34,639,600,267.08/301,286.96 - Step 6: Final answer
x = 114,972.12
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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.