Finding the Fourth Proportional to 122,830.05, 184,243.02 and 55,324.54
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Solution
The fourth proportional to 122,830.05, 184,243.02 and 55,324.54 is: 82,985.88
Step by Step Solution
- Step 1: Write the proportion equation
122,830.05 : 184,243.02 = 55,324.54 : x - Step 2: Convert to fraction form
122,830.05/184,243.02 = 55,324.54/x - Step 3: Cross multiply
122,830.05x = 184,243.02 × 55,324.54 - Step 4: Simplify right side
122,830.05x = 10,193,160,191.40 - Step 5: Solve for x
x = 10,193,160,191.40/122,830.05 - Step 6: Final answer
x = 82,985.88
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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.