Finding the Fourth Proportional to 284,967.48, 393,266.70 and 157,640.88
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Solution
The fourth proportional to 284,967.48, 393,266.70 and 157,640.88 is: 217,550.82
Step by Step Solution
- Step 1: Write the proportion equation
284,967.48 : 393,266.70 = 157,640.88 : x - Step 2: Convert to fraction form
284,967.48/393,266.70 = 157,640.88/x - Step 3: Cross multiply
284,967.48x = 393,266.70 × 157,640.88 - Step 4: Simplify right side
284,967.48x = 61,994,908,662.70 - Step 5: Solve for x
x = 61,994,908,662.70/284,967.48 - Step 6: Final answer
x = 217,550.82
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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.