Finding the Fourth Proportional to 136,297.84, 204,534.24 and 66,138.88
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Solution
The fourth proportional to 136,297.84, 204,534.24 and 66,138.88 is: 99,250.77
Step by Step Solution
- Step 1: Write the proportion equation
136,297.84 : 204,534.24 = 66,138.88 : x - Step 2: Convert to fraction form
136,297.84/204,534.24 = 66,138.88/x - Step 3: Cross multiply
136,297.84x = 204,534.24 × 66,138.88 - Step 4: Simplify right side
136,297.84x = 13,527,665,555.25 - Step 5: Solve for x
x = 13,527,665,555.25/136,297.84 - Step 6: Final answer
x = 99,250.77
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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.