Finding the Fourth Proportional to 284,888.88, 393,122.16 and 157,532.58
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Solution
The fourth proportional to 284,888.88, 393,122.16 and 157,532.58 is: 217,381.42
Step by Step Solution
- Step 1: Write the proportion equation
284,888.88 : 393,122.16 = 157,532.58 : x - Step 2: Convert to fraction form
284,888.88/393,122.16 = 157,532.58/x - Step 3: Cross multiply
284,888.88x = 393,122.16 × 157,532.58 - Step 4: Simplify right side
284,888.88x = 61,929,548,119.97 - Step 5: Solve for x
x = 61,929,548,119.97/284,888.88 - Step 6: Final answer
x = 217,381.42
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1.5x scale
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.