Finding the Fourth Proportional to 115,810.29, 173,713.61 and 36,923.99
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Solution
The fourth proportional to 115,810.29, 173,713.61 and 36,923.99 is: 55,385.40
Step by Step Solution
- Step 1: Write the proportion equation
115,810.29 : 173,713.61 = 36,923.99 : x - Step 2: Convert to fraction form
115,810.29/173,713.61 = 36,923.99/x - Step 3: Cross multiply
115,810.29x = 173,713.61 × 36,923.99 - Step 4: Simplify right side
115,810.29x = 6,414,198,822.25 - Step 5: Solve for x
x = 6,414,198,822.25/115,810.29 - Step 6: Final answer
x = 55,385.40
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1.5x scale
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.