Finding the Fourth Proportional to 266,446.92, 399,954.76 and 114,719.09
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Solution
The fourth proportional to 266,446.92, 399,954.76 and 114,719.09 is: 172,201.07
Step by Step Solution
- Step 1: Write the proportion equation
266,446.92 : 399,954.76 = 114,719.09 : x - Step 2: Convert to fraction form
266,446.92/399,954.76 = 114,719.09/x - Step 3: Cross multiply
266,446.92x = 399,954.76 × 114,719.09 - Step 4: Simplify right side
266,446.92x = 45,882,444,467.09 - Step 5: Solve for x
x = 45,882,444,467.09/266,446.92 - Step 6: Final answer
x = 172,201.07
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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.