Finding the Fourth Proportional to 161,660.05, 242,302.98 and 76,325.02
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Solution
The fourth proportional to 161,660.05, 242,302.98 and 76,325.02 is: 114,399.20
Step by Step Solution
- Step 1: Write the proportion equation
161,660.05 : 242,302.98 = 76,325.02 : x - Step 2: Convert to fraction form
161,660.05/242,302.98 = 76,325.02/x - Step 3: Cross multiply
161,660.05x = 242,302.98 × 76,325.02 - Step 4: Simplify right side
161,660.05x = 18,493,780,389.90 - Step 5: Solve for x
x = 18,493,780,389.90/161,660.05 - Step 6: Final answer
x = 114,399.20
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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.