Finding the Fourth Proportional to 356,291.76, 491,692.19 and 201,230.62
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Solution
The fourth proportional to 356,291.76, 491,692.19 and 201,230.62 is: 277,703.65
Step by Step Solution
- Step 1: Write the proportion equation
356,291.76 : 491,692.19 = 201,230.62 : x - Step 2: Convert to fraction form
356,291.76/491,692.19 = 201,230.62/x - Step 3: Cross multiply
356,291.76x = 491,692.19 × 201,230.62 - Step 4: Simplify right side
356,291.76x = 98,943,523,139.40 - Step 5: Solve for x
x = 98,943,523,139.40/356,291.76 - Step 6: Final answer
x = 277,703.65
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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.