Finding the Fourth Proportional to 115,611.08, 173,430.51 and 40,715.75
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Solution
The fourth proportional to 115,611.08, 173,430.51 and 40,715.75 is: 61,078.52
Step by Step Solution
- Step 1: Write the proportion equation
115,611.08 : 173,430.51 = 40,715.75 : x - Step 2: Convert to fraction form
115,611.08/173,430.51 = 40,715.75/x - Step 3: Cross multiply
115,611.08x = 173,430.51 × 40,715.75 - Step 4: Simplify right side
115,611.08x = 7,061,353,287.53 - Step 5: Solve for x
x = 7,061,353,287.53/115,611.08 - Step 6: Final answer
x = 61,078.52
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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.