Finding the Fourth Proportional to 136,555.98, 204,789.62 and 52,311.66
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Solution
The fourth proportional to 136,555.98, 204,789.62 and 52,311.66 is: 78,450.50
Step by Step Solution
- Step 1: Write the proportion equation
136,555.98 : 204,789.62 = 52,311.66 : x - Step 2: Convert to fraction form
136,555.98/204,789.62 = 52,311.66/x - Step 3: Cross multiply
136,555.98x = 204,789.62 × 52,311.66 - Step 4: Simplify right side
136,555.98x = 10,712,884,972.97 - Step 5: Solve for x
x = 10,712,884,972.97/136,555.98 - Step 6: Final answer
x = 78,450.50
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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.