Finding the Fourth Proportional to 133,005.97, 199,396.68 and 61,891.84
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Solution
The fourth proportional to 133,005.97, 199,396.68 and 61,891.84 is: 92,785.51
Step by Step Solution
- Step 1: Write the proportion equation
133,005.97 : 199,396.68 = 61,891.84 : x - Step 2: Convert to fraction form
133,005.97/199,396.68 = 61,891.84/x - Step 3: Cross multiply
133,005.97x = 199,396.68 × 61,891.84 - Step 4: Simplify right side
133,005.97x = 12,341,027,415.09 - Step 5: Solve for x
x = 12,341,027,415.09/133,005.97 - Step 6: Final answer
x = 92,785.51
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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.