Finding the Fourth Proportional to 135,939.40, 203,714.70 and 94,337.80
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Solution
The fourth proportional to 135,939.40, 203,714.70 and 94,337.80 is: 141,371.79
Step by Step Solution
- Step 1: Write the proportion equation
135,939.40 : 203,714.70 = 94,337.80 : x - Step 2: Convert to fraction form
135,939.40/203,714.70 = 94,337.80/x - Step 3: Cross multiply
135,939.40x = 203,714.70 × 94,337.80 - Step 4: Simplify right side
135,939.40x = 19,217,996,625.66 - Step 5: Solve for x
x = 19,217,996,625.66/135,939.40 - Step 6: Final answer
x = 141,371.79
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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.