Finding the Fourth Proportional to 177,769.20, 266,692.20 and 53,122.80
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Solution
The fourth proportional to 177,769.20, 266,692.20 and 53,122.80 is: 79,695.68
Step by Step Solution
- Step 1: Write the proportion equation
177,769.20 : 266,692.20 = 53,122.80 : x - Step 2: Convert to fraction form
177,769.20/266,692.20 = 53,122.80/x - Step 3: Cross multiply
177,769.20x = 266,692.20 × 53,122.80 - Step 4: Simplify right side
177,769.20x = 14,167,436,402.16 - Step 5: Solve for x
x = 14,167,436,402.16/177,769.20 - Step 6: Final answer
x = 79,695.68
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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.