Finding the Fourth Proportional to 457,382.14, 631,186.73 and 253,446.27
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Solution
The fourth proportional to 457,382.14, 631,186.73 and 253,446.27 is: 349,755.50
Step by Step Solution
- Step 1: Write the proportion equation
457,382.14 : 631,186.73 = 253,446.27 : x - Step 2: Convert to fraction form
457,382.14/631,186.73 = 253,446.27/x - Step 3: Cross multiply
457,382.14x = 631,186.73 × 253,446.27 - Step 4: Simplify right side
457,382.14x = 159,971,919,708.24 - Step 5: Solve for x
x = 159,971,919,708.24/457,382.14 - Step 6: Final answer
x = 349,755.50
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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.