Finding the Fourth Proportional to 90,326.73, 135,497.11 and 27,141.92
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Solution
The fourth proportional to 90,326.73, 135,497.11 and 27,141.92 is: 40,714.99
Step by Step Solution
- Step 1: Write the proportion equation
90,326.73 : 135,497.11 = 27,141.92 : x - Step 2: Convert to fraction form
90,326.73/135,497.11 = 27,141.92/x - Step 3: Cross multiply
90,326.73x = 135,497.11 × 27,141.92 - Step 4: Simplify right side
90,326.73x = 3,677,651,584.14 - Step 5: Solve for x
x = 3,677,651,584.14/90,326.73 - Step 6: Final answer
x = 40,714.99
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1.5x scale
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.