Finding the Fourth Proportional to 494,589.44, 741,938.70 and 157,551.68
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Solution
The fourth proportional to 494,589.44, 741,938.70 and 157,551.68 is: 236,344.89
Step by Step Solution
- Step 1: Write the proportion equation
494,589.44 : 741,938.70 = 157,551.68 : x - Step 2: Convert to fraction form
494,589.44/741,938.70 = 157,551.68/x - Step 3: Cross multiply
494,589.44x = 741,938.70 × 157,551.68 - Step 4: Simplify right side
494,589.44x = 116,893,688,642.02 - Step 5: Solve for x
x = 116,893,688,642.02/494,589.44 - Step 6: Final answer
x = 236,344.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.