Finding the Fourth Proportional to 358,202.20, 537,692.10 and 279,664.60
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Solution
The fourth proportional to 358,202.20, 537,692.10 and 279,664.60 is: 419,800.45
Step by Step Solution
- Step 1: Write the proportion equation
358,202.20 : 537,692.10 = 279,664.60 : x - Step 2: Convert to fraction form
358,202.20/537,692.10 = 279,664.60/x - Step 3: Cross multiply
358,202.20x = 537,692.10 × 279,664.60 - Step 4: Simplify right side
358,202.20x = 150,373,446,069.66 - Step 5: Solve for x
x = 150,373,446,069.66/358,202.20 - Step 6: Final answer
x = 419,800.45
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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.