Finding the Fourth Proportional to 324,115.40, 486,173.10 and 137,102.60
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Solution
The fourth proportional to 324,115.40, 486,173.10 and 137,102.60 is: 205,653.90
Step by Step Solution
- Step 1: Write the proportion equation
324,115.40 : 486,173.10 = 137,102.60 : x - Step 2: Convert to fraction form
324,115.40/486,173.10 = 137,102.60/x - Step 3: Cross multiply
324,115.40x = 486,173.10 × 137,102.60 - Step 4: Simplify right side
324,115.40x = 66,655,596,060.06 - Step 5: Solve for x
x = 66,655,596,060.06/324,115.40 - Step 6: Final answer
x = 205,653.90
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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.