Finding the Fourth Proportional to 190,069.73, 285,104.36 and 87,476.75
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Solution
The fourth proportional to 190,069.73, 285,104.36 and 87,476.75 is: 131,215.02
Step by Step Solution
- Step 1: Write the proportion equation
190,069.73 : 285,104.36 = 87,476.75 : x - Step 2: Convert to fraction form
190,069.73/285,104.36 = 87,476.75/x - Step 3: Cross multiply
190,069.73x = 285,104.36 × 87,476.75 - Step 4: Simplify right side
190,069.73x = 24,940,002,823.63 - Step 5: Solve for x
x = 24,940,002,823.63/190,069.73 - Step 6: Final answer
x = 131,215.02
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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.