Finding the Fourth Proportional to 99,675.42, 149,487.66 and 29,538.36
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Solution
The fourth proportional to 99,675.42, 149,487.66 and 29,538.36 is: 44,299.99
Step by Step Solution
- Step 1: Write the proportion equation
99,675.42 : 149,487.66 = 29,538.36 : x - Step 2: Convert to fraction form
99,675.42/149,487.66 = 29,538.36/x - Step 3: Cross multiply
99,675.42x = 149,487.66 × 29,538.36 - Step 4: Simplify right side
99,675.42x = 4,415,620,316.64 - Step 5: Solve for x
x = 4,415,620,316.64/99,675.42 - Step 6: Final answer
x = 44,299.99
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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.