Finding the Fourth Proportional to 103,552.27, 155,311.09 and 28,679.99
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Solution
The fourth proportional to 103,552.27, 155,311.09 and 28,679.99 is: 43,015.18
Step by Step Solution
- Step 1: Write the proportion equation
103,552.27 : 155,311.09 = 28,679.99 : x - Step 2: Convert to fraction form
103,552.27/155,311.09 = 28,679.99/x - Step 3: Cross multiply
103,552.27x = 155,311.09 × 28,679.99 - Step 4: Simplify right side
103,552.27x = 4,454,319,659.83 - Step 5: Solve for x
x = 4,454,319,659.83/103,552.27 - Step 6: Final answer
x = 43,015.18
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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.