Finding the Fourth Proportional to 99,656.19, 149,524.11 and 40,496.49
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Solution
The fourth proportional to 99,656.19, 149,524.11 and 40,496.49 is: 60,760.92
Step by Step Solution
- Step 1: Write the proportion equation
99,656.19 : 149,524.11 = 40,496.49 : x - Step 2: Convert to fraction form
99,656.19/149,524.11 = 40,496.49/x - Step 3: Cross multiply
99,656.19x = 149,524.11 × 40,496.49 - Step 4: Simplify right side
99,656.19x = 6,055,201,625.37 - Step 5: Solve for x
x = 6,055,201,625.37/99,656.19 - Step 6: Final answer
x = 60,760.92
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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.