Finding the Fourth Proportional to 446,436, 616,081.68 and 245,232
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Solution
The fourth proportional to 446,436, 616,081.68 and 245,232 is: 338,420.16
Step by Step Solution
- Step 1: Write the proportion equation
446,436 : 616,081.68 = 245,232 : x - Step 2: Convert to fraction form
446,436/616,081.68 = 245,232/x - Step 3: Cross multiply
446,436x = 616,081.68 × 245,232 - Step 4: Simplify right side
446,436x = 151,082,942,549.76 - Step 5: Solve for x
x = 151,082,942,549.76/446,436 - Step 6: Final answer
x = 338,420.16
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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.