Finding the Fourth Proportional to 204,811.93, 282,524.70 and 128,198.02
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Solution
The fourth proportional to 204,811.93, 282,524.70 and 128,198.02 is: 176,840.80
Step by Step Solution
- Step 1: Write the proportion equation
204,811.93 : 282,524.70 = 128,198.02 : x - Step 2: Convert to fraction form
204,811.93/282,524.70 = 128,198.02/x - Step 3: Cross multiply
204,811.93x = 282,524.70 × 128,198.02 - Step 4: Simplify right side
204,811.93x = 36,219,105,728.47 - Step 5: Solve for x
x = 36,219,105,728.47/204,811.93 - Step 6: Final answer
x = 176,840.80
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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.