Finding the Fourth Proportional to 243,576.16, 365,695.56 and 137,035.09
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Solution
The fourth proportional to 243,576.16, 365,695.56 and 137,035.09 is: 205,739.03
Step by Step Solution
- Step 1: Write the proportion equation
243,576.16 : 365,695.56 = 137,035.09 : x - Step 2: Convert to fraction form
243,576.16/365,695.56 = 137,035.09/x - Step 3: Cross multiply
243,576.16x = 365,695.56 × 137,035.09 - Step 4: Simplify right side
243,576.16x = 50,113,123,977.20 - Step 5: Solve for x
x = 50,113,123,977.20/243,576.16 - Step 6: Final answer
x = 205,739.03
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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.