Finding the Fourth Proportional to 278,174.41, 416,612.70 and 203,108.37
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Solution
The fourth proportional to 278,174.41, 416,612.70 and 203,108.37 is: 304,188.75
Step by Step Solution
- Step 1: Write the proportion equation
278,174.41 : 416,612.70 = 203,108.37 : x - Step 2: Convert to fraction form
278,174.41/416,612.70 = 203,108.37/x - Step 3: Cross multiply
278,174.41x = 416,612.70 × 203,108.37 - Step 4: Simplify right side
278,174.41x = 84,617,526,418.30 - Step 5: Solve for x
x = 84,617,526,418.30/278,174.41 - Step 6: Final answer
x = 304,188.75
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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.