Finding the Fourth Proportional to 393,528.88, 543,053.76 and 232,436.08
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Solution
The fourth proportional to 393,528.88, 543,053.76 and 232,436.08 is: 320,752.28
Step by Step Solution
- Step 1: Write the proportion equation
393,528.88 : 543,053.76 = 232,436.08 : x - Step 2: Convert to fraction form
393,528.88/543,053.76 = 232,436.08/x - Step 3: Cross multiply
393,528.88x = 543,053.76 × 232,436.08 - Step 4: Simplify right side
393,528.88x = 126,225,287,203.66 - Step 5: Solve for x
x = 126,225,287,203.66/393,528.88 - Step 6: Final answer
x = 320,752.28
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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.