Finding the Fourth Proportional to 290,758.13, 435,692.05 and 195,635.99
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Solution
The fourth proportional to 290,758.13, 435,692.05 and 195,635.99 is: 293,154.46
Step by Step Solution
- Step 1: Write the proportion equation
290,758.13 : 435,692.05 = 195,635.99 : x - Step 2: Convert to fraction form
290,758.13/435,692.05 = 195,635.99/x - Step 3: Cross multiply
290,758.13x = 435,692.05 × 195,635.99 - Step 4: Simplify right side
290,758.13x = 85,237,043,358.42 - Step 5: Solve for x
x = 85,237,043,358.42/290,758.13 - Step 6: Final answer
x = 293,154.46
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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.