Finding the Fourth Proportional to 135,383.20, 202,930.80 and 65,216.80
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Solution
The fourth proportional to 135,383.20, 202,930.80 and 65,216.80 is: 97,755.83
Step by Step Solution
- Step 1: Write the proportion equation
135,383.20 : 202,930.80 = 65,216.80 : x - Step 2: Convert to fraction form
135,383.20/202,930.80 = 65,216.80/x - Step 3: Cross multiply
135,383.20x = 202,930.80 × 65,216.80 - Step 4: Simplify right side
135,383.20x = 13,234,497,397.44 - Step 5: Solve for x
x = 13,234,497,397.44/135,383.20 - Step 6: Final answer
x = 97,755.83
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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.