Finding the Fourth Proportional to 326,315.70, 450,774.45 and 251,821.62
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Solution
The fourth proportional to 326,315.70, 450,774.45 and 251,821.62 is: 347,867.88
Step by Step Solution
- Step 1: Write the proportion equation
326,315.70 : 450,774.45 = 251,821.62 : x - Step 2: Convert to fraction form
326,315.70/450,774.45 = 251,821.62/x - Step 3: Cross multiply
326,315.70x = 450,774.45 × 251,821.62 - Step 4: Simplify right side
326,315.70x = 113,514,752,253.61 - Step 5: Solve for x
x = 113,514,752,253.61/326,315.70 - Step 6: Final answer
x = 347,867.88
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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.