Finding the Fourth Proportional to 135,403.92, 202,973.31 and 56,540.70
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Solution
The fourth proportional to 135,403.92, 202,973.31 and 56,540.70 is: 84,755.69
Step by Step Solution
- Step 1: Write the proportion equation
135,403.92 : 202,973.31 = 56,540.70 : x - Step 2: Convert to fraction form
135,403.92/202,973.31 = 56,540.70/x - Step 3: Cross multiply
135,403.92x = 202,973.31 × 56,540.70 - Step 4: Simplify right side
135,403.92x = 11,476,253,028.72 - Step 5: Solve for x
x = 11,476,253,028.72/135,403.92 - Step 6: Final answer
x = 84,755.69
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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.