Finding the Fourth Proportional to 269,368.20, 371,718.42 and 146,857.96
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Solution
The fourth proportional to 269,368.20, 371,718.42 and 146,857.96 is: 202,658.70
Step by Step Solution
- Step 1: Write the proportion equation
269,368.20 : 371,718.42 = 146,857.96 : x - Step 2: Convert to fraction form
269,368.20/371,718.42 = 146,857.96/x - Step 3: Cross multiply
269,368.20x = 371,718.42 × 146,857.96 - Step 4: Simplify right side
269,368.20x = 54,589,808,855.62 - Step 5: Solve for x
x = 54,589,808,855.62/269,368.20 - Step 6: Final answer
x = 202,658.70
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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.