Finding the Fourth Proportional to 209,151.13, 313,724.19 and 76,030.26
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Solution
The fourth proportional to 209,151.13, 313,724.19 and 76,030.26 is: 114,044.48
Step by Step Solution
- Step 1: Write the proportion equation
209,151.13 : 313,724.19 = 76,030.26 : x - Step 2: Convert to fraction form
209,151.13/313,724.19 = 76,030.26/x - Step 3: Cross multiply
209,151.13x = 313,724.19 × 76,030.26 - Step 4: Simplify right side
209,151.13x = 23,852,532,179.67 - Step 5: Solve for x
x = 23,852,532,179.67/209,151.13 - Step 6: Final answer
x = 114,044.48
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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.