Finding the Fourth Proportional to 172,543.68, 258,814.02 and 47,884.68
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Solution
The fourth proportional to 172,543.68, 258,814.02 and 47,884.68 is: 71,826.60
Step by Step Solution
- Step 1: Write the proportion equation
172,543.68 : 258,814.02 = 47,884.68 : x - Step 2: Convert to fraction form
172,543.68/258,814.02 = 47,884.68/x - Step 3: Cross multiply
172,543.68x = 258,814.02 × 47,884.68 - Step 4: Simplify right side
172,543.68x = 12,393,226,527.21 - Step 5: Solve for x
x = 12,393,226,527.21/172,543.68 - Step 6: Final answer
x = 71,826.60
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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.