Finding the Fourth Proportional to 295,201.20, 442,801.80 and 126,692.85
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Solution
The fourth proportional to 295,201.20, 442,801.80 and 126,692.85 is: 190,039.28
Step by Step Solution
- Step 1: Write the proportion equation
295,201.20 : 442,801.80 = 126,692.85 : x - Step 2: Convert to fraction form
295,201.20/442,801.80 = 126,692.85/x - Step 3: Cross multiply
295,201.20x = 442,801.80 × 126,692.85 - Step 4: Simplify right side
295,201.20x = 56,099,822,027.13 - Step 5: Solve for x
x = 56,099,822,027.13/295,201.20 - Step 6: Final answer
x = 190,039.28
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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.