Finding the Fourth Proportional to 416,135.43, 574,663.58 and 393,465.88
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Solution
The fourth proportional to 416,135.43, 574,663.58 and 393,465.88 is: 543,357.99
Step by Step Solution
- Step 1: Write the proportion equation
416,135.43 : 574,663.58 = 393,465.88 : x - Step 2: Convert to fraction form
416,135.43/574,663.58 = 393,465.88/x - Step 3: Cross multiply
416,135.43x = 574,663.58 × 393,465.88 - Step 4: Simplify right side
416,135.43x = 226,110,511,208.65 - Step 5: Solve for x
x = 226,110,511,208.65/416,135.43 - Step 6: Final answer
x = 543,357.99
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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.