Finding the Fourth Proportional to 219,818.91, 303,407.12 and 124,380.96
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Solution
The fourth proportional to 219,818.91, 303,407.12 and 124,380.96 is: 171,677.99
Step by Step Solution
- Step 1: Write the proportion equation
219,818.91 : 303,407.12 = 124,380.96 : x - Step 2: Convert to fraction form
219,818.91/303,407.12 = 124,380.96/x - Step 3: Cross multiply
219,818.91x = 303,407.12 × 124,380.96 - Step 4: Simplify right side
219,818.91x = 37,738,068,234.53 - Step 5: Solve for x
x = 37,738,068,234.53/219,818.91 - Step 6: Final answer
x = 171,677.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.