Finding the Fourth Proportional to 132,699.87, 199,249.47 and 114,181.65
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Solution
The fourth proportional to 132,699.87, 199,249.47 and 114,181.65 is: 171,444.28
Step by Step Solution
- Step 1: Write the proportion equation
132,699.87 : 199,249.47 = 114,181.65 : x - Step 2: Convert to fraction form
132,699.87/199,249.47 = 114,181.65/x - Step 3: Cross multiply
132,699.87x = 199,249.47 × 114,181.65 - Step 4: Simplify right side
132,699.87x = 22,750,633,246.23 - Step 5: Solve for x
x = 22,750,633,246.23/132,699.87 - Step 6: Final answer
x = 171,444.28
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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.