Finding the Fourth Proportional to 266,170.38, 399,324.70 and 133,045.26
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Solution
The fourth proportional to 266,170.38, 399,324.70 and 133,045.26 is: 199,602.44
Step by Step Solution
- Step 1: Write the proportion equation
266,170.38 : 399,324.70 = 133,045.26 : x - Step 2: Convert to fraction form
266,170.38/399,324.70 = 133,045.26/x - Step 3: Cross multiply
266,170.38x = 399,324.70 × 133,045.26 - Step 4: Simplify right side
266,170.38x = 53,128,258,535.92 - Step 5: Solve for x
x = 53,128,258,535.92/266,170.38 - Step 6: Final answer
x = 199,602.44
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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.