Finding the Fourth Proportional to 174,879.09, 262,318.40 and 69,771.87
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Solution
The fourth proportional to 174,879.09, 262,318.40 and 69,771.87 is: 104,657.70
Step by Step Solution
- Step 1: Write the proportion equation
174,879.09 : 262,318.40 = 69,771.87 : x - Step 2: Convert to fraction form
174,879.09/262,318.40 = 69,771.87/x - Step 3: Cross multiply
174,879.09x = 262,318.40 × 69,771.87 - Step 4: Simplify right side
174,879.09x = 18,302,443,642.96 - Step 5: Solve for x
x = 18,302,443,642.96/174,879.09 - Step 6: Final answer
x = 104,657.70
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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.