Finding the Fourth Proportional to 300,263.68, 414,369.92 and 166,129.92
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Solution
The fourth proportional to 300,263.68, 414,369.92 and 166,129.92 is: 229,262.63
Step by Step Solution
- Step 1: Write the proportion equation
300,263.68 : 414,369.92 = 166,129.92 : x - Step 2: Convert to fraction form
300,263.68/414,369.92 = 166,129.92/x - Step 3: Cross multiply
300,263.68x = 414,369.92 × 166,129.92 - Step 4: Simplify right side
300,263.68x = 68,839,241,660.01 - Step 5: Solve for x
x = 68,839,241,660.01/300,263.68 - Step 6: Final answer
x = 229,262.63
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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.