Finding the Fourth Proportional to 638,163.63, 957,423.38 and 278,366.63
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Solution
The fourth proportional to 638,163.63, 957,423.38 and 278,366.63 is: 417,627.55
Step by Step Solution
- Step 1: Write the proportion equation
638,163.63 : 957,423.38 = 278,366.63 : x - Step 2: Convert to fraction form
638,163.63/957,423.38 = 278,366.63/x - Step 3: Cross multiply
638,163.63x = 957,423.38 × 278,366.63 - Step 4: Simplify right side
638,163.63x = 266,514,713,594.86 - Step 5: Solve for x
x = 266,514,713,594.86/638,163.63 - Step 6: Final answer
x = 417,627.55
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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.