Finding the Fourth Proportional to 99,683.37, 149,554.01 and 32,213.99
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Solution
The fourth proportional to 99,683.37, 149,554.01 and 32,213.99 is: 48,330.33
Step by Step Solution
- Step 1: Write the proportion equation
99,683.37 : 149,554.01 = 32,213.99 : x - Step 2: Convert to fraction form
99,683.37/149,554.01 = 32,213.99/x - Step 3: Cross multiply
99,683.37x = 149,554.01 × 32,213.99 - Step 4: Simplify right side
99,683.37x = 4,817,730,473.76 - Step 5: Solve for x
x = 4,817,730,473.76/99,683.37 - Step 6: Final answer
x = 48,330.33
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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.