Finding the Fourth Proportional to 145,879.65, 201,308.09 and 82,230.66
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Solution
The fourth proportional to 145,879.65, 201,308.09 and 82,230.66 is: 113,475.02
Step by Step Solution
- Step 1: Write the proportion equation
145,879.65 : 201,308.09 = 82,230.66 : x - Step 2: Convert to fraction form
145,879.65/201,308.09 = 82,230.66/x - Step 3: Cross multiply
145,879.65x = 201,308.09 × 82,230.66 - Step 4: Simplify right side
145,879.65x = 16,553,696,692.89 - Step 5: Solve for x
x = 16,553,696,692.89/145,879.65 - Step 6: Final answer
x = 113,475.02
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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.