Finding the Fourth Proportional to 99,685.22, 149,502.29 and 29,548.13
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Solution
The fourth proportional to 99,685.22, 149,502.29 and 29,548.13 is: 44,314.62
Step by Step Solution
- Step 1: Write the proportion equation
99,685.22 : 149,502.29 = 29,548.13 : x - Step 2: Convert to fraction form
99,685.22/149,502.29 = 29,548.13/x - Step 3: Cross multiply
99,685.22x = 149,502.29 × 29,548.13 - Step 4: Simplify right side
99,685.22x = 4,417,512,204.97 - Step 5: Solve for x
x = 4,417,512,204.97/99,685.22 - Step 6: Final answer
x = 44,314.62
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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.