Finding the Fourth Proportional to 161,796.99, 242,707.77 and 55,147.80
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Solution
The fourth proportional to 161,796.99, 242,707.77 and 55,147.80 is: 82,725.89
Step by Step Solution
- Step 1: Write the proportion equation
161,796.99 : 242,707.77 = 55,147.80 : x - Step 2: Convert to fraction form
161,796.99/242,707.77 = 55,147.80/x - Step 3: Cross multiply
161,796.99x = 242,707.77 × 55,147.80 - Step 4: Simplify right side
161,796.99x = 13,384,799,558.41 - Step 5: Solve for x
x = 13,384,799,558.41/161,796.99 - Step 6: Final answer
x = 82,725.89
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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.