Finding the Fourth Proportional to 171,682.44, 236,817.12 and 113,539.08
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Solution
The fourth proportional to 171,682.44, 236,817.12 and 113,539.08 is: 156,614.72
Step by Step Solution
- Step 1: Write the proportion equation
171,682.44 : 236,817.12 = 113,539.08 : x - Step 2: Convert to fraction form
171,682.44/236,817.12 = 113,539.08/x - Step 3: Cross multiply
171,682.44x = 236,817.12 × 113,539.08 - Step 4: Simplify right side
171,682.44x = 26,887,997,933.05 - Step 5: Solve for x
x = 26,887,997,933.05/171,682.44 - Step 6: Final answer
x = 156,614.72
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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.