Finding the Fourth Proportional to 393,580.62, 543,214.35 and 223,804.62
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Solution
The fourth proportional to 393,580.62, 543,214.35 and 223,804.62 is: 308,891.94
Step by Step Solution
- Step 1: Write the proportion equation
393,580.62 : 543,214.35 = 223,804.62 : x - Step 2: Convert to fraction form
393,580.62/543,214.35 = 223,804.62/x - Step 3: Cross multiply
393,580.62x = 543,214.35 × 223,804.62 - Step 4: Simplify right side
393,580.62x = 121,573,881,180.30 - Step 5: Solve for x
x = 121,573,881,180.30/393,580.62 - Step 6: Final answer
x = 308,891.94
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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.