Finding the Fourth Proportional to 294,828.21, 406,874.21 and 160,692.21
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Solution
The fourth proportional to 294,828.21, 406,874.21 and 160,692.21 is: 221,761.40
Step by Step Solution
- Step 1: Write the proportion equation
294,828.21 : 406,874.21 = 160,692.21 : x - Step 2: Convert to fraction form
294,828.21/406,874.21 = 160,692.21/x - Step 3: Cross multiply
294,828.21x = 406,874.21 × 160,692.21 - Step 4: Simplify right side
294,828.21x = 65,381,515,193.44 - Step 5: Solve for x
x = 65,381,515,193.44/294,828.21 - Step 6: Final answer
x = 221,761.40
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1.5x scale
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.