Finding the Fourth Proportional to 209,367.24, 313,860.80 and 76,153.32
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Solution
The fourth proportional to 209,367.24, 313,860.80 and 76,153.32 is: 114,160.84
Step by Step Solution
- Step 1: Write the proportion equation
209,367.24 : 313,860.80 = 76,153.32 : x - Step 2: Convert to fraction form
209,367.24/313,860.80 = 76,153.32/x - Step 3: Cross multiply
209,367.24x = 313,860.80 × 76,153.32 - Step 4: Simplify right side
209,367.24x = 23,901,539,987.79 - Step 5: Solve for x
x = 23,901,539,987.79/209,367.24 - Step 6: Final answer
x = 114,160.84
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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.