Finding the Fourth Proportional to 98,441.19, 147,676.28 and 31,859.19
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Solution
The fourth proportional to 98,441.19, 147,676.28 and 31,859.19 is: 47,793.47
Step by Step Solution
- Step 1: Write the proportion equation
98,441.19 : 147,676.28 = 31,859.19 : x - Step 2: Convert to fraction form
98,441.19/147,676.28 = 31,859.19/x - Step 3: Cross multiply
98,441.19x = 147,676.28 × 31,859.19 - Step 4: Simplify right side
98,441.19x = 4,704,846,503.72 - Step 5: Solve for x
x = 4,704,846,503.72/98,441.19 - Step 6: Final answer
x = 47,793.47
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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.