Finding the Fourth Proportional to 313,517.76, 432,642.24 and 186,190.08
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Solution
The fourth proportional to 313,517.76, 432,642.24 and 186,190.08 is: 256,935.02
Step by Step Solution
- Step 1: Write the proportion equation
313,517.76 : 432,642.24 = 186,190.08 : x - Step 2: Convert to fraction form
313,517.76/432,642.24 = 186,190.08/x - Step 3: Cross multiply
313,517.76x = 432,642.24 × 186,190.08 - Step 4: Simplify right side
313,517.76x = 80,553,693,276.98 - Step 5: Solve for x
x = 80,553,693,276.98/313,517.76 - Step 6: Final answer
x = 256,935.02
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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.