Finding the Fourth Proportional to 417,930.84, 576,891.72 and 248,163.75
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Solution
The fourth proportional to 417,930.84, 576,891.72 and 248,163.75 is: 342,553.36
Step by Step Solution
- Step 1: Write the proportion equation
417,930.84 : 576,891.72 = 248,163.75 : x - Step 2: Convert to fraction form
417,930.84/576,891.72 = 248,163.75/x - Step 3: Cross multiply
417,930.84x = 576,891.72 × 248,163.75 - Step 4: Simplify right side
417,930.84x = 143,163,612,579.15 - Step 5: Solve for x
x = 143,163,612,579.15/417,930.84 - Step 6: Final answer
x = 342,553.36
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1.5x scale
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.