Finding the Fourth Proportional to 278,193.03, 416,640.61 and 203,126.99
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Solution
The fourth proportional to 278,193.03, 416,640.61 and 203,126.99 is: 304,216.65
Step by Step Solution
- Step 1: Write the proportion equation
278,193.03 : 416,640.61 = 203,126.99 : x - Step 2: Convert to fraction form
278,193.03/416,640.61 = 203,126.99/x - Step 3: Cross multiply
278,193.03x = 416,640.61 × 203,126.99 - Step 4: Simplify right side
278,193.03x = 84,630,953,535.37 - Step 5: Solve for x
x = 84,630,953,535.37/278,193.03 - Step 6: Final answer
x = 304,216.65
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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.