Finding the Fourth Proportional to 171,761.73, 257,518.04 and 115,462.19
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Solution
The fourth proportional to 171,761.73, 257,518.04 and 115,462.19 is: 173,109.55
Step by Step Solution
- Step 1: Write the proportion equation
171,761.73 : 257,518.04 = 115,462.19 : x - Step 2: Convert to fraction form
171,761.73/257,518.04 = 115,462.19/x - Step 3: Cross multiply
171,761.73x = 257,518.04 × 115,462.19 - Step 4: Simplify right side
171,761.73x = 29,733,594,998.01 - Step 5: Solve for x
x = 29,733,594,998.01/171,761.73 - Step 6: Final answer
x = 173,109.55
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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.