Finding the Fourth Proportional to 299,363.52, 449,243.60 and 164,521.75
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Solution
The fourth proportional to 299,363.52, 449,243.60 and 164,521.75 is: 246,891.63
Step by Step Solution
- Step 1: Write the proportion equation
299,363.52 : 449,243.60 = 164,521.75 : x - Step 2: Convert to fraction form
299,363.52/449,243.60 = 164,521.75/x - Step 3: Cross multiply
299,363.52x = 449,243.60 × 164,521.75 - Step 4: Simplify right side
299,363.52x = 73,910,345,312.63 - Step 5: Solve for x
x = 73,910,345,312.63/299,363.52 - Step 6: Final answer
x = 246,891.63
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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.