Finding the Fourth Proportional to 133,107.42, 199,660.32 and 33,267.09
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Solution
The fourth proportional to 133,107.42, 199,660.32 and 33,267.09 is: 49,900.43
Step by Step Solution
- Step 1: Write the proportion equation
133,107.42 : 199,660.32 = 33,267.09 : x - Step 2: Convert to fraction form
133,107.42/199,660.32 = 33,267.09/x - Step 3: Cross multiply
133,107.42x = 199,660.32 × 33,267.09 - Step 4: Simplify right side
133,107.42x = 6,642,117,834.87 - Step 5: Solve for x
x = 6,642,117,834.87/133,107.42 - Step 6: Final answer
x = 49,900.43
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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.