Finding the Fourth Proportional to 102,617.69, 153,935.37 and 27,737.51
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Solution
The fourth proportional to 102,617.69, 153,935.37 and 27,737.51 is: 41,608.65
Step by Step Solution
- Step 1: Write the proportion equation
102,617.69 : 153,935.37 = 27,737.51 : x - Step 2: Convert to fraction form
102,617.69/153,935.37 = 27,737.51/x - Step 3: Cross multiply
102,617.69x = 153,935.37 × 27,737.51 - Step 4: Simplify right side
102,617.69x = 4,269,783,095.05 - Step 5: Solve for x
x = 4,269,783,095.05/102,617.69 - Step 6: Final answer
x = 41,608.65
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1.5x scale
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.