Finding the Fourth Proportional to 122,482.92, 183,749.22 and 38,239.68
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Solution
The fourth proportional to 122,482.92, 183,749.22 and 38,239.68 is: 57,367.28
Step by Step Solution
- Step 1: Write the proportion equation
122,482.92 : 183,749.22 = 38,239.68 : x - Step 2: Convert to fraction form
122,482.92/183,749.22 = 38,239.68/x - Step 3: Cross multiply
122,482.92x = 183,749.22 × 38,239.68 - Step 4: Simplify right side
122,482.92x = 7,026,511,373.05 - Step 5: Solve for x
x = 7,026,511,373.05/122,482.92 - Step 6: Final answer
x = 57,367.28
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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.