Finding the Fourth Proportional to 207,588.99, 311,171.28 and 72,612.82
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Solution
The fourth proportional to 207,588.99, 311,171.28 and 72,612.82 is: 108,845.00
Step by Step Solution
- Step 1: Write the proportion equation
207,588.99 : 311,171.28 = 72,612.82 : x - Step 2: Convert to fraction form
207,588.99/311,171.28 = 72,612.82/x - Step 3: Cross multiply
207,588.99x = 311,171.28 × 72,612.82 - Step 4: Simplify right side
207,588.99x = 22,595,024,143.81 - Step 5: Solve for x
x = 22,595,024,143.81/207,588.99 - Step 6: Final answer
x = 108,845.00
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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.