Finding the Fourth Proportional to 252,591.19, 378,558.73 and 102,657.00
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Solution
The fourth proportional to 252,591.19, 378,558.73 and 102,657.00 is: 153,852.18
Step by Step Solution
- Step 1: Write the proportion equation
252,591.19 : 378,558.73 = 102,657.00 : x - Step 2: Convert to fraction form
252,591.19/378,558.73 = 102,657.00/x - Step 3: Cross multiply
252,591.19x = 378,558.73 × 102,657.00 - Step 4: Simplify right side
252,591.19x = 38,861,705,093.53 - Step 5: Solve for x
x = 38,861,705,093.53/252,591.19 - Step 6: Final answer
x = 153,852.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.