Finding the Fourth Proportional to 239,755.29, 330,892.79 and 144,313.53
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Solution
The fourth proportional to 239,755.29, 330,892.79 and 144,313.53 is: 199,171.02
Step by Step Solution
- Step 1: Write the proportion equation
239,755.29 : 330,892.79 = 144,313.53 : x - Step 2: Convert to fraction form
239,755.29/330,892.79 = 144,313.53/x - Step 3: Cross multiply
239,755.29x = 330,892.79 × 144,313.53 - Step 4: Simplify right side
239,755.29x = 47,752,306,576.45 - Step 5: Solve for x
x = 47,752,306,576.45/239,755.29 - Step 6: Final answer
x = 199,171.02
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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.