Finding the Fourth Proportional to 135,296.06, 202,945.44 and 60,419.99
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Solution
The fourth proportional to 135,296.06, 202,945.44 and 60,419.99 is: 90,630.58
Step by Step Solution
- Step 1: Write the proportion equation
135,296.06 : 202,945.44 = 60,419.99 : x - Step 2: Convert to fraction form
135,296.06/202,945.44 = 60,419.99/x - Step 3: Cross multiply
135,296.06x = 202,945.44 × 60,419.99 - Step 4: Simplify right side
135,296.06x = 12,261,960,440.62 - Step 5: Solve for x
x = 12,261,960,440.62/135,296.06 - Step 6: Final answer
x = 90,630.58
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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.