Finding the Fourth Proportional to 284,548.41, 392,220.63 and 192,638.70
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Solution
The fourth proportional to 284,548.41, 392,220.63 and 192,638.70 is: 265,532.58
Step by Step Solution
- Step 1: Write the proportion equation
284,548.41 : 392,220.63 = 192,638.70 : x - Step 2: Convert to fraction form
284,548.41/392,220.63 = 192,638.70/x - Step 3: Cross multiply
284,548.41x = 392,220.63 × 192,638.70 - Step 4: Simplify right side
284,548.41x = 75,556,872,276.38 - Step 5: Solve for x
x = 75,556,872,276.38/284,548.41 - Step 6: Final answer
x = 265,532.58
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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.