Finding the Fourth Proportional to 98,765.36, 148,163.43 and 32,190.05
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Solution
The fourth proportional to 98,765.36, 148,163.43 and 32,190.05 is: 48,290.08
Step by Step Solution
- Step 1: Write the proportion equation
98,765.36 : 148,163.43 = 32,190.05 : x - Step 2: Convert to fraction form
98,765.36/148,163.43 = 32,190.05/x - Step 3: Cross multiply
98,765.36x = 148,163.43 × 32,190.05 - Step 4: Simplify right side
98,765.36x = 4,769,387,479.05 - Step 5: Solve for x
x = 4,769,387,479.05/98,765.36 - Step 6: Final answer
x = 48,290.08
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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.