Finding the Fourth Proportional to 115,709.56, 173,578.02 and 40,814.08
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Solution
The fourth proportional to 115,709.56, 173,578.02 and 40,814.08 is: 61,225.95
Step by Step Solution
- Step 1: Write the proportion equation
115,709.56 : 173,578.02 = 40,814.08 : x - Step 2: Convert to fraction form
115,709.56/173,578.02 = 40,814.08/x - Step 3: Cross multiply
115,709.56x = 173,578.02 × 40,814.08 - Step 4: Simplify right side
115,709.56x = 7,084,427,194.52 - Step 5: Solve for x
x = 7,084,427,194.52/115,709.56 - Step 6: Final answer
x = 61,225.95
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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.