Finding the Fourth Proportional to 284,943.01, 393,125.86 and 164,081.70
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Solution
The fourth proportional to 284,943.01, 393,125.86 and 164,081.70 is: 226,377.75
Step by Step Solution
- Step 1: Write the proportion equation
284,943.01 : 393,125.86 = 164,081.70 : x - Step 2: Convert to fraction form
284,943.01/393,125.86 = 164,081.70/x - Step 3: Cross multiply
284,943.01x = 393,125.86 × 164,081.70 - Step 4: Simplify right side
284,943.01x = 64,504,756,636.72 - Step 5: Solve for x
x = 64,504,756,636.72/284,943.01 - Step 6: Final answer
x = 226,377.75
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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.