Finding the Fourth Proportional to 99,623.48, 149,457.11 and 29,508.26
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Solution
The fourth proportional to 99,623.48, 149,457.11 and 29,508.26 is: 44,268.87
Step by Step Solution
- Step 1: Write the proportion equation
99,623.48 : 149,457.11 = 29,508.26 : x - Step 2: Convert to fraction form
99,623.48/149,457.11 = 29,508.26/x - Step 3: Cross multiply
99,623.48x = 149,457.11 × 29,508.26 - Step 4: Simplify right side
99,623.48x = 4,410,218,365.90 - Step 5: Solve for x
x = 4,410,218,365.90/99,623.48 - Step 6: Final answer
x = 44,268.87
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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.