Finding the Fourth Proportional to 297,855.88, 411,044.28 and 161,889.84
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Solution
The fourth proportional to 297,855.88, 411,044.28 and 161,889.84 is: 223,409.70
Step by Step Solution
- Step 1: Write the proportion equation
297,855.88 : 411,044.28 = 161,889.84 : x - Step 2: Convert to fraction form
297,855.88/411,044.28 = 161,889.84/x - Step 3: Cross multiply
297,855.88x = 411,044.28 × 161,889.84 - Step 4: Simplify right side
297,855.88x = 66,543,892,722.12 - Step 5: Solve for x
x = 66,543,892,722.12/297,855.88 - Step 6: Final answer
x = 223,409.70
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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.