Finding the Fourth Proportional to 116,469.70, 174,272.55 and 85,365.70
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Solution
The fourth proportional to 116,469.70, 174,272.55 and 85,365.70 is: 127,731.92
Step by Step Solution
- Step 1: Write the proportion equation
116,469.70 : 174,272.55 = 85,365.70 : x - Step 2: Convert to fraction form
116,469.70/174,272.55 = 85,365.70/x - Step 3: Cross multiply
116,469.70x = 174,272.55 × 85,365.70 - Step 4: Simplify right side
116,469.70x = 14,876,898,221.54 - Step 5: Solve for x
x = 14,876,898,221.54/116,469.70 - Step 6: Final answer
x = 127,731.92
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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.