Finding the Fourth Proportional to 115,405.68, 173,091.18 and 36,509.66
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Solution
The fourth proportional to 115,405.68, 173,091.18 and 36,509.66 is: 54,759.00
Step by Step Solution
- Step 1: Write the proportion equation
115,405.68 : 173,091.18 = 36,509.66 : x - Step 2: Convert to fraction form
115,405.68/173,091.18 = 36,509.66/x - Step 3: Cross multiply
115,405.68x = 173,091.18 × 36,509.66 - Step 4: Simplify right side
115,405.68x = 6,319,500,130.80 - Step 5: Solve for x
x = 6,319,500,130.80/115,405.68 - Step 6: Final answer
x = 54,759.00
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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.