Finding the Fourth Proportional to 299,124.26, 412,796.39 and 163,158.20
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Solution
The fourth proportional to 299,124.26, 412,796.39 and 163,158.20 is: 225,160.99
Step by Step Solution
- Step 1: Write the proportion equation
299,124.26 : 412,796.39 = 163,158.20 : x - Step 2: Convert to fraction form
299,124.26/412,796.39 = 163,158.20/x - Step 3: Cross multiply
299,124.26x = 412,796.39 × 163,158.20 - Step 4: Simplify right side
299,124.26x = 67,351,115,958.90 - Step 5: Solve for x
x = 67,351,115,958.90/299,124.26 - Step 6: Final answer
x = 225,160.99
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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.