Finding the Fourth Proportional to 161,655.26, 242,489.57 and 61,822.76
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Solution
The fourth proportional to 161,655.26, 242,489.57 and 61,822.76 is: 92,736.69
Step by Step Solution
- Step 1: Write the proportion equation
161,655.26 : 242,489.57 = 61,822.76 : x - Step 2: Convert to fraction form
161,655.26/242,489.57 = 61,822.76/x - Step 3: Cross multiply
161,655.26x = 242,489.57 × 61,822.76 - Step 4: Simplify right side
161,655.26x = 14,991,372,967.05 - Step 5: Solve for x
x = 14,991,372,967.05/161,655.26 - Step 6: Final answer
x = 92,736.69
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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.