Finding the Fourth Proportional to 99,655.36, 149,519.49 and 46,372.75
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Solution
The fourth proportional to 99,655.36, 149,519.49 and 46,372.75 is: 69,576.09
Step by Step Solution
- Step 1: Write the proportion equation
99,655.36 : 149,519.49 = 46,372.75 : x - Step 2: Convert to fraction form
99,655.36/149,519.49 = 46,372.75/x - Step 3: Cross multiply
99,655.36x = 149,519.49 × 46,372.75 - Step 4: Simplify right side
99,655.36x = 6,933,629,929.90 - Step 5: Solve for x
x = 6,933,629,929.90/99,655.36 - Step 6: Final answer
x = 69,576.09
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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.