Finding the Fourth Proportional to 216,611.76, 324,646.68 and 104,261.92
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Solution
The fourth proportional to 216,611.76, 324,646.68 and 104,261.92 is: 156,262.46
Step by Step Solution
- Step 1: Write the proportion equation
216,611.76 : 324,646.68 = 104,261.92 : x - Step 2: Convert to fraction form
216,611.76/324,646.68 = 104,261.92/x - Step 3: Cross multiply
216,611.76x = 324,646.68 × 104,261.92 - Step 4: Simplify right side
216,611.76x = 33,848,286,178.43 - Step 5: Solve for x
x = 33,848,286,178.43/216,611.76 - Step 6: Final answer
x = 156,262.46
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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.