Finding the Fourth Proportional to 115,690.05, 173,548.98 and 40,794.75
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Solution
The fourth proportional to 115,690.05, 173,548.98 and 40,794.75 is: 61,197.03
Step by Step Solution
- Step 1: Write the proportion equation
115,690.05 : 173,548.98 = 40,794.75 : x - Step 2: Convert to fraction form
115,690.05/173,548.98 = 40,794.75/x - Step 3: Cross multiply
115,690.05x = 173,548.98 × 40,794.75 - Step 4: Simplify right side
115,690.05x = 7,079,887,251.86 - Step 5: Solve for x
x = 7,079,887,251.86/115,690.05 - Step 6: Final answer
x = 61,197.03
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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.