Finding the Fourth Proportional to 271,900.98, 407,989.98 and 192,449.70
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Solution
The fourth proportional to 271,900.98, 407,989.98 and 192,449.70 is: 288,772.59
Step by Step Solution
- Step 1: Write the proportion equation
271,900.98 : 407,989.98 = 192,449.70 : x - Step 2: Convert to fraction form
271,900.98/407,989.98 = 192,449.70/x - Step 3: Cross multiply
271,900.98x = 407,989.98 × 192,449.70 - Step 4: Simplify right side
271,900.98x = 78,517,549,254.01 - Step 5: Solve for x
x = 78,517,549,254.01/271,900.98 - Step 6: Final answer
x = 288,772.59
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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.