Finding the Fourth Proportional to 133,034.40, 183,591.36 and 72,608.96
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Solution
The fourth proportional to 133,034.40, 183,591.36 and 72,608.96 is: 100,202.49
Step by Step Solution
- Step 1: Write the proportion equation
133,034.40 : 183,591.36 = 72,608.96 : x - Step 2: Convert to fraction form
133,034.40/183,591.36 = 72,608.96/x - Step 3: Cross multiply
133,034.40x = 183,591.36 × 72,608.96 - Step 4: Simplify right side
133,034.40x = 13,330,377,714.59 - Step 5: Solve for x
x = 13,330,377,714.59/133,034.40 - Step 6: Final answer
x = 100,202.49
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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.