Finding the Fourth Proportional to 483,218.87, 724,772.00 and 128,260.46
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Solution
The fourth proportional to 483,218.87, 724,772.00 and 128,260.46 is: 192,375.75
Step by Step Solution
- Step 1: Write the proportion equation
483,218.87 : 724,772.00 = 128,260.46 : x - Step 2: Convert to fraction form
483,218.87/724,772.00 = 128,260.46/x - Step 3: Cross multiply
483,218.87x = 724,772.00 × 128,260.46 - Step 4: Simplify right side
483,218.87x = 92,959,592,247.70 - Step 5: Solve for x
x = 92,959,592,247.70/483,218.87 - Step 6: Final answer
x = 192,375.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.