Finding the Fourth Proportional to 207,423.66, 311,381.52 and 174,553.05
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Solution
The fourth proportional to 207,423.66, 311,381.52 and 174,553.05 is: 262,036.62
Step by Step Solution
- Step 1: Write the proportion equation
207,423.66 : 311,381.52 = 174,553.05 : x - Step 2: Convert to fraction form
207,423.66/311,381.52 = 174,553.05/x - Step 3: Cross multiply
207,423.66x = 311,381.52 × 174,553.05 - Step 4: Simplify right side
207,423.66x = 54,352,594,029.64 - Step 5: Solve for x
x = 54,352,594,029.64/207,423.66 - Step 6: Final answer
x = 262,036.62
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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.