Finding the Fourth Proportional to 303,710.20, 455,759.70 and 177,350.20
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Solution
The fourth proportional to 303,710.20, 455,759.70 and 177,350.20 is: 266,138.82
Step by Step Solution
- Step 1: Write the proportion equation
303,710.20 : 455,759.70 = 177,350.20 : x - Step 2: Convert to fraction form
303,710.20/455,759.70 = 177,350.20/x - Step 3: Cross multiply
303,710.20x = 455,759.70 × 177,350.20 - Step 4: Simplify right side
303,710.20x = 80,829,073,946.94 - Step 5: Solve for x
x = 80,829,073,946.94/303,710.20 - Step 6: Final answer
x = 266,138.82
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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.