Finding the Fourth Proportional to 203,434.88, 280,756.68 and 112,799.84
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Solution
The fourth proportional to 203,434.88, 280,756.68 and 112,799.84 is: 155,672.95
Step by Step Solution
- Step 1: Write the proportion equation
203,434.88 : 280,756.68 = 112,799.84 : x - Step 2: Convert to fraction form
203,434.88/280,756.68 = 112,799.84/x - Step 3: Cross multiply
203,434.88x = 280,756.68 × 112,799.84 - Step 4: Simplify right side
203,434.88x = 31,669,308,582.93 - Step 5: Solve for x
x = 31,669,308,582.93/203,434.88 - Step 6: Final answer
x = 155,672.95
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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.