Finding the Fourth Proportional to 306,755.78, 423,318.96 and 177,711.84
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Solution
The fourth proportional to 306,755.78, 423,318.96 and 177,711.84 is: 245,240.02
Step by Step Solution
- Step 1: Write the proportion equation
306,755.78 : 423,318.96 = 177,711.84 : x - Step 2: Convert to fraction form
306,755.78/423,318.96 = 177,711.84/x - Step 3: Cross multiply
306,755.78x = 423,318.96 × 177,711.84 - Step 4: Simplify right side
306,755.78x = 75,228,791,288.49 - Step 5: Solve for x
x = 75,228,791,288.49/306,755.78 - Step 6: Final answer
x = 245,240.02
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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.