Finding the Fourth Proportional to 121,133.67, 181,729.26 and 38,027.67
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Solution
The fourth proportional to 121,133.67, 181,729.26 and 38,027.67 is: 57,050.53
Step by Step Solution
- Step 1: Write the proportion equation
121,133.67 : 181,729.26 = 38,027.67 : x - Step 2: Convert to fraction form
121,133.67/181,729.26 = 38,027.67/x - Step 3: Cross multiply
121,133.67x = 181,729.26 × 38,027.67 - Step 4: Simplify right side
121,133.67x = 6,910,740,328.62 - Step 5: Solve for x
x = 6,910,740,328.62/121,133.67 - Step 6: Final answer
x = 57,050.53
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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.