Finding the Fourth Proportional to 133,276.58, 199,816.11 and 80,673.62
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Solution
The fourth proportional to 133,276.58, 199,816.11 and 80,673.62 is: 120,950.65
Step by Step Solution
- Step 1: Write the proportion equation
133,276.58 : 199,816.11 = 80,673.62 : x - Step 2: Convert to fraction form
133,276.58/199,816.11 = 80,673.62/x - Step 3: Cross multiply
133,276.58x = 199,816.11 × 80,673.62 - Step 4: Simplify right side
133,276.58x = 16,119,888,928.02 - Step 5: Solve for x
x = 16,119,888,928.02/133,276.58 - Step 6: Final answer
x = 120,950.65
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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.