Finding the Fourth Proportional to 199,410.60, 299,576.70 and 137,202.60
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Solution
The fourth proportional to 199,410.60, 299,576.70 and 137,202.60 is: 206,120.95
Step by Step Solution
- Step 1: Write the proportion equation
199,410.60 : 299,576.70 = 137,202.60 : x - Step 2: Convert to fraction form
199,410.60/299,576.70 = 137,202.60/x - Step 3: Cross multiply
199,410.60x = 299,576.70 × 137,202.60 - Step 4: Simplify right side
199,410.60x = 41,102,702,139.42 - Step 5: Solve for x
x = 41,102,702,139.42/199,410.60 - Step 6: Final answer
x = 206,120.95
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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.