Finding the Fourth Proportional to 329,668.12, 494,905.88 and 217,442.17
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Solution
The fourth proportional to 329,668.12, 494,905.88 and 217,442.17 is: 326,429.53
Step by Step Solution
- Step 1: Write the proportion equation
329,668.12 : 494,905.88 = 217,442.17 : x - Step 2: Convert to fraction form
329,668.12/494,905.88 = 217,442.17/x - Step 3: Cross multiply
329,668.12x = 494,905.88 × 217,442.17 - Step 4: Simplify right side
329,668.12x = 107,613,408,492.96 - Step 5: Solve for x
x = 107,613,408,492.96/329,668.12 - Step 6: Final answer
x = 326,429.53
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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.