Finding the Fourth Proportional to 215,692.74, 297,668.52 and 120,201.84
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Solution
The fourth proportional to 215,692.74, 297,668.52 and 120,201.84 is: 165,885.53
Step by Step Solution
- Step 1: Write the proportion equation
215,692.74 : 297,668.52 = 120,201.84 : x - Step 2: Convert to fraction form
215,692.74/297,668.52 = 120,201.84/x - Step 3: Cross multiply
215,692.74x = 297,668.52 × 120,201.84 - Step 4: Simplify right side
215,692.74x = 35,780,303,814.08 - Step 5: Solve for x
x = 35,780,303,814.08/215,692.74 - Step 6: Final answer
x = 165,885.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.