Finding the Fourth Proportional to 284,797.44, 392,990.40 and 157,452.48
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Solution
The fourth proportional to 284,797.44, 392,990.40 and 157,452.48 is: 217,267.80
Step by Step Solution
- Step 1: Write the proportion equation
284,797.44 : 392,990.40 = 157,452.48 : x - Step 2: Convert to fraction form
284,797.44/392,990.40 = 157,452.48/x - Step 3: Cross multiply
284,797.44x = 392,990.40 × 157,452.48 - Step 4: Simplify right side
284,797.44x = 61,877,313,096.19 - Step 5: Solve for x
x = 61,877,313,096.19/284,797.44 - Step 6: Final answer
x = 217,267.80
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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.