Finding the Fourth Proportional to 206,395.79, 284,828.57 and 114,516.80
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Solution
The fourth proportional to 206,395.79, 284,828.57 and 114,516.80 is: 158,034.50
Step by Step Solution
- Step 1: Write the proportion equation
206,395.79 : 284,828.57 = 114,516.80 : x - Step 2: Convert to fraction form
206,395.79/284,828.57 = 114,516.80/x - Step 3: Cross multiply
206,395.79x = 284,828.57 × 114,516.80 - Step 4: Simplify right side
206,395.79x = 32,617,656,384.98 - Step 5: Solve for x
x = 32,617,656,384.98/206,395.79 - Step 6: Final answer
x = 158,034.50
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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.