Finding the Fourth Proportional to 193,919.84, 290,847.36 and 53,692.64
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Solution
The fourth proportional to 193,919.84, 290,847.36 and 53,692.64 is: 80,529.99
Step by Step Solution
- Step 1: Write the proportion equation
193,919.84 : 290,847.36 = 53,692.64 : x - Step 2: Convert to fraction form
193,919.84/290,847.36 = 53,692.64/x - Step 3: Cross multiply
193,919.84x = 290,847.36 × 53,692.64 - Step 4: Simplify right side
193,919.84x = 15,616,362,595.43 - Step 5: Solve for x
x = 15,616,362,595.43/193,919.84 - Step 6: Final answer
x = 80,529.99
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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.