Finding the Fourth Proportional to 187,305.25, 280,958.16 and 76,497.25
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Solution
The fourth proportional to 187,305.25, 280,958.16 and 76,497.25 is: 114,745.99
Step by Step Solution
- Step 1: Write the proportion equation
187,305.25 : 280,958.16 = 76,497.25 : x - Step 2: Convert to fraction form
187,305.25/280,958.16 = 76,497.25/x - Step 3: Cross multiply
187,305.25x = 280,958.16 × 76,497.25 - Step 4: Simplify right side
187,305.25x = 21,492,526,605.06 - Step 5: Solve for x
x = 21,492,526,605.06/187,305.25 - Step 6: Final answer
x = 114,745.99
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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.