Finding the Fourth Proportional to 408,961.20, 564,361.11 and 236,902.62
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Solution
The fourth proportional to 408,961.20, 564,361.11 and 236,902.62 is: 326,922.52
Step by Step Solution
- Step 1: Write the proportion equation
408,961.20 : 564,361.11 = 236,902.62 : x - Step 2: Convert to fraction form
408,961.20/564,361.11 = 236,902.62/x - Step 3: Cross multiply
408,961.20x = 564,361.11 × 236,902.62 - Step 4: Simplify right side
408,961.20x = 133,698,625,585.11 - Step 5: Solve for x
x = 133,698,625,585.11/408,961.20 - Step 6: Final answer
x = 326,922.52
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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.