Finding the Fourth Proportional to 355,869.96, 491,079.36 and 194,692.92
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Solution
The fourth proportional to 355,869.96, 491,079.36 and 194,692.92 is: 268,664.64
Step by Step Solution
- Step 1: Write the proportion equation
355,869.96 : 491,079.36 = 194,692.92 : x - Step 2: Convert to fraction form
355,869.96/491,079.36 = 194,692.92/x - Step 3: Cross multiply
355,869.96x = 491,079.36 × 194,692.92 - Step 4: Simplify right side
355,869.96x = 95,609,674,550.13 - Step 5: Solve for x
x = 95,609,674,550.13/355,869.96 - Step 6: Final answer
x = 268,664.64
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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.