Finding the Fourth Proportional to 203,939.48, 306,103.79 and 125,207.48
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Solution
The fourth proportional to 203,939.48, 306,103.79 and 125,207.48 is: 187,930.67
Step by Step Solution
- Step 1: Write the proportion equation
203,939.48 : 306,103.79 = 125,207.48 : x - Step 2: Convert to fraction form
203,939.48/306,103.79 = 125,207.48/x - Step 3: Cross multiply
203,939.48x = 306,103.79 × 125,207.48 - Step 4: Simplify right side
203,939.48x = 38,326,482,946.85 - Step 5: Solve for x
x = 38,326,482,946.85/203,939.48 - Step 6: Final answer
x = 187,930.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.