Finding the Fourth Proportional to 161,074.99, 241,542.01 and 66,241.81
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Solution
The fourth proportional to 161,074.99, 241,542.01 and 66,241.81 is: 99,333.73
Step by Step Solution
- Step 1: Write the proportion equation
161,074.99 : 241,542.01 = 66,241.81 : x - Step 2: Convert to fraction form
161,074.99/241,542.01 = 66,241.81/x - Step 3: Cross multiply
161,074.99x = 241,542.01 × 66,241.81 - Step 4: Simplify right side
161,074.99x = 16,000,180,318.17 - Step 5: Solve for x
x = 16,000,180,318.17/161,074.99 - Step 6: Final answer
x = 99,333.73
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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.