Finding the Fourth Proportional to 131,568.48, 197,365.18 and 36,798.68
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Solution
The fourth proportional to 131,568.48, 197,365.18 and 36,798.68 is: 55,201.50
Step by Step Solution
- Step 1: Write the proportion equation
131,568.48 : 197,365.18 = 36,798.68 : x - Step 2: Convert to fraction form
131,568.48/197,365.18 = 36,798.68/x - Step 3: Cross multiply
131,568.48x = 197,365.18 × 36,798.68 - Step 4: Simplify right side
131,568.48x = 7,262,778,101.96 - Step 5: Solve for x
x = 7,262,778,101.96/131,568.48 - Step 6: Final answer
x = 55,201.50
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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.