Finding the Fourth Proportional to 180,983.49, 271,313.92 and 68,742.53
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Solution
The fourth proportional to 180,983.49, 271,313.92 and 68,742.53 is: 103,052.52
Step by Step Solution
- Step 1: Write the proportion equation
180,983.49 : 271,313.92 = 68,742.53 : x - Step 2: Convert to fraction form
180,983.49/271,313.92 = 68,742.53/x - Step 3: Cross multiply
180,983.49x = 271,313.92 × 68,742.53 - Step 4: Simplify right side
180,983.49x = 18,650,805,285.02 - Step 5: Solve for x
x = 18,650,805,285.02/180,983.49 - Step 6: Final answer
x = 103,052.52
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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.