Finding the Fourth Proportional to 331,654.14, 457,756.56 and 210,771.84
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Solution
The fourth proportional to 331,654.14, 457,756.56 and 210,771.84 is: 290,912.07
Step by Step Solution
- Step 1: Write the proportion equation
331,654.14 : 457,756.56 = 210,771.84 : x - Step 2: Convert to fraction form
331,654.14/457,756.56 = 210,771.84/x - Step 3: Cross multiply
331,654.14x = 457,756.56 × 210,771.84 - Step 4: Simplify right side
331,654.14x = 96,482,192,423.27 - Step 5: Solve for x
x = 96,482,192,423.27/331,654.14 - Step 6: Final answer
x = 290,912.07
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1.5x scale
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.