Finding the Fourth Proportional to 381,262.24, 571,458.39 and 178,646.41
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Solution
The fourth proportional to 381,262.24, 571,458.39 and 178,646.41 is: 267,765.80
Step by Step Solution
- Step 1: Write the proportion equation
381,262.24 : 571,458.39 = 178,646.41 : x - Step 2: Convert to fraction form
381,262.24/571,458.39 = 178,646.41/x - Step 3: Cross multiply
381,262.24x = 571,458.39 × 178,646.41 - Step 4: Simplify right side
381,262.24x = 102,088,990,887.17 - Step 5: Solve for x
x = 102,088,990,887.17/381,262.24 - Step 6: Final answer
x = 267,765.80
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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.