Finding the Fourth Proportional to 118,134.99, 177,203.13 and 29,388.50
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Solution
The fourth proportional to 118,134.99, 177,203.13 and 29,388.50 is: 44,082.90
Step by Step Solution
- Step 1: Write the proportion equation
118,134.99 : 177,203.13 = 29,388.50 : x - Step 2: Convert to fraction form
118,134.99/177,203.13 = 29,388.50/x - Step 3: Cross multiply
118,134.99x = 177,203.13 × 29,388.50 - Step 4: Simplify right side
118,134.99x = 5,207,733,299.99 - Step 5: Solve for x
x = 5,207,733,299.99/118,134.99 - Step 6: Final answer
x = 44,082.90
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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.