Finding the Fourth Proportional to 100,765.68, 151,124.19 and 29,668.99
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Solution
The fourth proportional to 100,765.68, 151,124.19 and 29,668.99 is: 44,496.32
Step by Step Solution
- Step 1: Write the proportion equation
100,765.68 : 151,124.19 = 29,668.99 : x - Step 2: Convert to fraction form
100,765.68/151,124.19 = 29,668.99/x - Step 3: Cross multiply
100,765.68x = 151,124.19 × 29,668.99 - Step 4: Simplify right side
100,765.68x = 4,483,702,081.87 - Step 5: Solve for x
x = 4,483,702,081.87/100,765.68 - Step 6: Final answer
x = 44,496.32
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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.