Finding the Fourth Proportional to 204,610.10, 306,803.97 and 109,953.09
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Solution
The fourth proportional to 204,610.10, 306,803.97 and 109,953.09 is: 164,869.89
Step by Step Solution
- Step 1: Write the proportion equation
204,610.10 : 306,803.97 = 109,953.09 : x - Step 2: Convert to fraction form
204,610.10/306,803.97 = 109,953.09/x - Step 3: Cross multiply
204,610.10x = 306,803.97 × 109,953.09 - Step 4: Simplify right side
204,610.10x = 33,734,044,525.77 - Step 5: Solve for x
x = 33,734,044,525.77/204,610.10 - Step 6: Final answer
x = 164,869.89
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1.5x scale
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.