Finding the Fourth Proportional to 82,432.08, 123,657.10 and 26,258.99
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Solution
The fourth proportional to 82,432.08, 123,657.10 and 26,258.99 is: 39,391.34
Step by Step Solution
- Step 1: Write the proportion equation
82,432.08 : 123,657.10 = 26,258.99 : x - Step 2: Convert to fraction form
82,432.08/123,657.10 = 26,258.99/x - Step 3: Cross multiply
82,432.08x = 123,657.10 × 26,258.99 - Step 4: Simplify right side
82,432.08x = 3,247,109,868.40 - Step 5: Solve for x
x = 3,247,109,868.40/82,432.08 - Step 6: Final answer
x = 39,391.34
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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.