Finding the Fourth Proportional to 115,918.30, 173,737.05 and 49,218.40
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Solution
The fourth proportional to 115,918.30, 173,737.05 and 49,218.40 is: 73,767.99
Step by Step Solution
- Step 1: Write the proportion equation
115,918.30 : 173,737.05 = 49,218.40 : x - Step 2: Convert to fraction form
115,918.30/173,737.05 = 49,218.40/x - Step 3: Cross multiply
115,918.30x = 173,737.05 × 49,218.40 - Step 4: Simplify right side
115,918.30x = 8,551,059,621.72 - Step 5: Solve for x
x = 8,551,059,621.72/115,918.30 - Step 6: Final answer
x = 73,767.99
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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.