Finding the Fourth Proportional to 324,852.88, 486,952.21 and 135,418.14
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Solution
The fourth proportional to 324,852.88, 486,952.21 and 135,418.14 is: 202,990.85
Step by Step Solution
- Step 1: Write the proportion equation
324,852.88 : 486,952.21 = 135,418.14 : x - Step 2: Convert to fraction form
324,852.88/486,952.21 = 135,418.14/x - Step 3: Cross multiply
324,852.88x = 486,952.21 × 135,418.14 - Step 4: Simplify right side
324,852.88x = 65,942,162,547.09 - Step 5: Solve for x
x = 65,942,162,547.09/324,852.88 - Step 6: Final answer
x = 202,990.85
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1.5x scale
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.