Finding the Fourth Proportional to 192,704.24, 266,005.68 and 129,018.80
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Solution
The fourth proportional to 192,704.24, 266,005.68 and 129,018.80 is: 178,095.37
Step by Step Solution
- Step 1: Write the proportion equation
192,704.24 : 266,005.68 = 129,018.80 : x - Step 2: Convert to fraction form
192,704.24/266,005.68 = 129,018.80/x - Step 3: Cross multiply
192,704.24x = 266,005.68 × 129,018.80 - Step 4: Simplify right side
192,704.24x = 34,319,733,626.78 - Step 5: Solve for x
x = 34,319,733,626.78/192,704.24 - Step 6: Final answer
x = 178,095.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.