Finding the Fourth Proportional to 204,811.68, 282,524.36 and 128,197.77
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Solution
The fourth proportional to 204,811.68, 282,524.36 and 128,197.77 is: 176,840.46
Step by Step Solution
- Step 1: Write the proportion equation
204,811.68 : 282,524.36 = 128,197.77 : x - Step 2: Convert to fraction form
204,811.68/282,524.36 = 128,197.77/x - Step 3: Cross multiply
204,811.68x = 282,524.36 × 128,197.77 - Step 4: Simplify right side
204,811.68x = 36,218,990,869.07 - Step 5: Solve for x
x = 36,218,990,869.07/204,811.68 - Step 6: Final answer
x = 176,840.46
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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.