Finding the Fourth Proportional to 98,765.11, 148,163.06 and 32,189.79
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Solution
The fourth proportional to 98,765.11, 148,163.06 and 32,189.79 is: 48,289.70
Step by Step Solution
- Step 1: Write the proportion equation
98,765.11 : 148,163.06 = 32,189.79 : x - Step 2: Convert to fraction form
98,765.11/148,163.06 = 32,189.79/x - Step 3: Cross multiply
98,765.11x = 148,163.06 × 32,189.79 - Step 4: Simplify right side
98,765.11x = 4,769,337,787.16 - Step 5: Solve for x
x = 4,769,337,787.16/98,765.11 - Step 6: Final answer
x = 48,289.70
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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.