Finding the Fourth Proportional to 186,755.98, 280,216.20 and 97,988.08
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Solution
The fourth proportional to 186,755.98, 280,216.20 and 97,988.08 is: 147,025.26
Step by Step Solution
- Step 1: Write the proportion equation
186,755.98 : 280,216.20 = 97,988.08 : x - Step 2: Convert to fraction form
186,755.98/280,216.20 = 97,988.08/x - Step 3: Cross multiply
186,755.98x = 280,216.20 × 97,988.08 - Step 4: Simplify right side
186,755.98x = 27,457,847,422.90 - Step 5: Solve for x
x = 27,457,847,422.90/186,755.98 - Step 6: Final answer
x = 147,025.26
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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.