Finding the Fourth Proportional to 135,309.96, 202,743.33 and 72,062.94
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Solution
The fourth proportional to 135,309.96, 202,743.33 and 72,062.94 is: 107,976.39
Step by Step Solution
- Step 1: Write the proportion equation
135,309.96 : 202,743.33 = 72,062.94 : x - Step 2: Convert to fraction form
135,309.96/202,743.33 = 72,062.94/x - Step 3: Cross multiply
135,309.96x = 202,743.33 × 72,062.94 - Step 4: Simplify right side
135,309.96x = 14,610,280,425.19 - Step 5: Solve for x
x = 14,610,280,425.19/135,309.96 - Step 6: Final answer
x = 107,976.39
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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.