Finding the Fourth Proportional to 116,992.74, 161,449.49 and 63,277.63
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Solution
The fourth proportional to 116,992.74, 161,449.49 and 63,277.63 is: 87,322.86
Step by Step Solution
- Step 1: Write the proportion equation
116,992.74 : 161,449.49 = 63,277.63 : x - Step 2: Convert to fraction form
116,992.74/161,449.49 = 63,277.63/x - Step 3: Cross multiply
116,992.74x = 161,449.49 × 63,277.63 - Step 4: Simplify right side
116,992.74x = 10,216,140,846.48 - Step 5: Solve for x
x = 10,216,140,846.48/116,992.74 - Step 6: Final answer
x = 87,322.86
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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.