Finding the Fourth Proportional to 284,229.44, 392,237.88 and 156,906.08
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Solution
The fourth proportional to 284,229.44, 392,237.88 and 156,906.08 is: 216,531.08
Step by Step Solution
- Step 1: Write the proportion equation
284,229.44 : 392,237.88 = 156,906.08 : x - Step 2: Convert to fraction form
284,229.44/392,237.88 = 156,906.08/x - Step 3: Cross multiply
284,229.44x = 392,237.88 × 156,906.08 - Step 4: Simplify right side
284,229.44x = 61,544,508,178.31 - Step 5: Solve for x
x = 61,544,508,178.31/284,229.44 - Step 6: Final answer
x = 216,531.08
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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.