Finding the Fourth Proportional to 300,712.05, 414,982.98 and 162,891.26
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Solution
The fourth proportional to 300,712.05, 414,982.98 and 162,891.26 is: 224,790.12
Step by Step Solution
- Step 1: Write the proportion equation
300,712.05 : 414,982.98 = 162,891.26 : x - Step 2: Convert to fraction form
300,712.05/414,982.98 = 162,891.26/x - Step 3: Cross multiply
300,712.05x = 414,982.98 × 162,891.26 - Step 4: Simplify right side
300,712.05x = 67,597,098,415.84 - Step 5: Solve for x
x = 67,597,098,415.84/300,712.05 - Step 6: Final answer
x = 224,790.12
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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.