Finding the Fourth Proportional to 326,854.49, 450,929.49 and 189,007.94
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Solution
The fourth proportional to 326,854.49, 450,929.49 and 189,007.94 is: 260,755.96
Step by Step Solution
- Step 1: Write the proportion equation
326,854.49 : 450,929.49 = 189,007.94 : x - Step 2: Convert to fraction form
326,854.49/450,929.49 = 189,007.94/x - Step 3: Cross multiply
326,854.49x = 450,929.49 × 189,007.94 - Step 4: Simplify right side
326,854.49x = 85,229,256,671.75 - Step 5: Solve for x
x = 85,229,256,671.75/326,854.49 - Step 6: Final answer
x = 260,755.96
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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.