Finding the Fourth Proportional to 99,683.36, 149,549.64 and 29,562.68
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Solution
The fourth proportional to 99,683.36, 149,549.64 and 29,562.68 is: 44,351.32
Step by Step Solution
- Step 1: Write the proportion equation
99,683.36 : 149,549.64 = 29,562.68 : x - Step 2: Convert to fraction form
99,683.36/149,549.64 = 29,562.68/x - Step 3: Cross multiply
99,683.36x = 149,549.64 × 29,562.68 - Step 4: Simplify right side
99,683.36x = 4,421,088,151.44 - Step 5: Solve for x
x = 4,421,088,151.44/99,683.36 - Step 6: Final answer
x = 44,351.32
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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.