Finding the Fourth Proportional to 272,709.87, 376,524.36 and 170,776.23
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Solution
The fourth proportional to 272,709.87, 376,524.36 and 170,776.23 is: 235,786.88
Step by Step Solution
- Step 1: Write the proportion equation
272,709.87 : 376,524.36 = 170,776.23 : x - Step 2: Convert to fraction form
272,709.87/376,524.36 = 170,776.23/x - Step 3: Cross multiply
272,709.87x = 376,524.36 × 170,776.23 - Step 4: Simplify right side
272,709.87x = 64,301,410,703.96 - Step 5: Solve for x
x = 64,301,410,703.96/272,709.87 - Step 6: Final answer
x = 235,786.88
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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.