Finding the Fourth Proportional to 122,023.74, 182,992.70 and 36,609.12
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Solution
The fourth proportional to 122,023.74, 182,992.70 and 36,609.12 is: 54,900.80
Step by Step Solution
- Step 1: Write the proportion equation
122,023.74 : 182,992.70 = 36,609.12 : x - Step 2: Convert to fraction form
122,023.74/182,992.70 = 36,609.12/x - Step 3: Cross multiply
122,023.74x = 182,992.70 × 36,609.12 - Step 4: Simplify right side
122,023.74x = 6,699,201,530.38 - Step 5: Solve for x
x = 6,699,201,530.38/122,023.74 - Step 6: Final answer
x = 54,900.80
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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.