Finding the Fourth Proportional to 201,946.56, 278,687.36 and 117,113.92
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Solution
The fourth proportional to 201,946.56, 278,687.36 and 117,113.92 is: 161,617.85
Step by Step Solution
- Step 1: Write the proportion equation
201,946.56 : 278,687.36 = 117,113.92 : x - Step 2: Convert to fraction form
201,946.56/278,687.36 = 117,113.92/x - Step 3: Cross multiply
201,946.56x = 278,687.36 × 117,113.92 - Step 4: Simplify right side
201,946.56x = 32,638,169,184.05 - Step 5: Solve for x
x = 32,638,169,184.05/201,946.56 - Step 6: Final answer
x = 161,617.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.