Finding the Fourth Proportional to 180,243.68, 248,737.90 and 99,676.63
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Solution
The fourth proportional to 180,243.68, 248,737.90 and 99,676.63 is: 137,554.64
Step by Step Solution
- Step 1: Write the proportion equation
180,243.68 : 248,737.90 = 99,676.63 : x - Step 2: Convert to fraction form
180,243.68/248,737.90 = 99,676.63/x - Step 3: Cross multiply
180,243.68x = 248,737.90 × 99,676.63 - Step 4: Simplify right side
180,243.68x = 24,793,354,754.24 - Step 5: Solve for x
x = 24,793,354,754.24/180,243.68 - Step 6: Final answer
x = 137,554.64
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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.