Finding the Fourth Proportional to 324,706.40, 447,804.68 and 203,858.96
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Solution
The fourth proportional to 324,706.40, 447,804.68 and 203,858.96 is: 281,143.20
Step by Step Solution
- Step 1: Write the proportion equation
324,706.40 : 447,804.68 = 203,858.96 : x - Step 2: Convert to fraction form
324,706.40/447,804.68 = 203,858.96/x - Step 3: Cross multiply
324,706.40x = 447,804.68 × 203,858.96 - Step 4: Simplify right side
324,706.40x = 91,288,996,347.93 - Step 5: Solve for x
x = 91,288,996,347.93/324,706.40 - Step 6: Final answer
x = 281,143.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.