Finding the Fourth Proportional to 242,982.62, 335,274.48 and 140,984.70
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Solution
The fourth proportional to 242,982.62, 335,274.48 and 140,984.70 is: 194,534.79
Step by Step Solution
- Step 1: Write the proportion equation
242,982.62 : 335,274.48 = 140,984.70 : x - Step 2: Convert to fraction form
242,982.62/335,274.48 = 140,984.70/x - Step 3: Cross multiply
242,982.62x = 335,274.48 × 140,984.70 - Step 4: Simplify right side
242,982.62x = 47,268,571,980.46 - Step 5: Solve for x
x = 47,268,571,980.46/242,982.62 - Step 6: Final answer
x = 194,534.79
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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.