Finding the Fourth Proportional to 354,936.80, 532,405.20 and 177,471.20
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Solution
The fourth proportional to 354,936.80, 532,405.20 and 177,471.20 is: 266,206.80
Step by Step Solution
- Step 1: Write the proportion equation
354,936.80 : 532,405.20 = 177,471.20 : x - Step 2: Convert to fraction form
354,936.80/532,405.20 = 177,471.20/x - Step 3: Cross multiply
354,936.80x = 532,405.20 × 177,471.20 - Step 4: Simplify right side
354,936.80x = 94,486,589,730.24 - Step 5: Solve for x
x = 94,486,589,730.24/354,936.80 - Step 6: Final answer
x = 266,206.80
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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.