Finding the Fourth Proportional to 326,578.86, 450,678.49 and 183,339.18
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Solution
The fourth proportional to 326,578.86, 450,678.49 and 183,339.18 is: 253,007.88
Step by Step Solution
- Step 1: Write the proportion equation
326,578.86 : 450,678.49 = 183,339.18 : x - Step 2: Convert to fraction form
326,578.86/450,678.49 = 183,339.18/x - Step 3: Cross multiply
326,578.86x = 450,678.49 × 183,339.18 - Step 4: Simplify right side
326,578.86x = 82,627,024,341.89 - Step 5: Solve for x
x = 82,627,024,341.89/326,578.86 - Step 6: Final answer
x = 253,007.88
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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.