Finding the Fourth Proportional to 209,329.44, 313,994.24 and 51,560.96
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Solution
The fourth proportional to 209,329.44, 313,994.24 and 51,560.96 is: 77,341.46
Step by Step Solution
- Step 1: Write the proportion equation
209,329.44 : 313,994.24 = 51,560.96 : x - Step 2: Convert to fraction form
209,329.44/313,994.24 = 51,560.96/x - Step 3: Cross multiply
209,329.44x = 313,994.24 × 51,560.96 - Step 4: Simplify right side
209,329.44x = 16,189,844,448.87 - Step 5: Solve for x
x = 16,189,844,448.87/209,329.44 - Step 6: Final answer
x = 77,341.46
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1.5x scale
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.