Finding the Fourth Proportional to 242,877.76, 335,195.20 and 147,376.96
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Solution
The fourth proportional to 242,877.76, 335,195.20 and 147,376.96 is: 203,394.70
Step by Step Solution
- Step 1: Write the proportion equation
242,877.76 : 335,195.20 = 147,376.96 : x - Step 2: Convert to fraction form
242,877.76/335,195.20 = 147,376.96/x - Step 3: Cross multiply
242,877.76x = 335,195.20 × 147,376.96 - Step 4: Simplify right side
242,877.76x = 49,400,049,582.59 - Step 5: Solve for x
x = 49,400,049,582.59/242,877.76 - Step 6: Final answer
x = 203,394.70
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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.