Finding the Fourth Proportional to 121,126.96, 181,699.50 and 32,378.44
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Solution
The fourth proportional to 121,126.96, 181,699.50 and 32,378.44 is: 48,570.08
Step by Step Solution
- Step 1: Write the proportion equation
121,126.96 : 181,699.50 = 32,378.44 : x - Step 2: Convert to fraction form
121,126.96/181,699.50 = 32,378.44/x - Step 3: Cross multiply
121,126.96x = 181,699.50 × 32,378.44 - Step 4: Simplify right side
121,126.96x = 5,883,146,358.78 - Step 5: Solve for x
x = 5,883,146,358.78/121,126.96 - Step 6: Final answer
x = 48,570.08
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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.