Finding the Fourth Proportional to 82,309.58, 123,468.66 and 26,154.08
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Solution
The fourth proportional to 82,309.58, 123,468.66 and 26,154.08 is: 39,232.48
Step by Step Solution
- Step 1: Write the proportion equation
82,309.58 : 123,468.66 = 26,154.08 : x - Step 2: Convert to fraction form
82,309.58/123,468.66 = 26,154.08/x - Step 3: Cross multiply
82,309.58x = 123,468.66 × 26,154.08 - Step 4: Simplify right side
82,309.58x = 3,229,209,211.13 - Step 5: Solve for x
x = 3,229,209,211.13/82,309.58 - Step 6: Final answer
x = 39,232.48
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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.