Finding the Fourth Proportional to 216,865.86, 325,320.84 and 74,692.63
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Solution
The fourth proportional to 216,865.86, 325,320.84 and 74,692.63 is: 112,046.54
Step by Step Solution
- Step 1: Write the proportion equation
216,865.86 : 325,320.84 = 74,692.63 : x - Step 2: Convert to fraction form
216,865.86/325,320.84 = 74,692.63/x - Step 3: Cross multiply
216,865.86x = 325,320.84 × 74,692.63 - Step 4: Simplify right side
216,865.86x = 24,299,069,540.06 - Step 5: Solve for x
x = 24,299,069,540.06/216,865.86 - Step 6: Final answer
x = 112,046.54
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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.