Finding the Fourth Proportional to 789,183.41, 1,183,777.59 and 220,560.75
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Solution
The fourth proportional to 789,183.41, 1,183,777.59 and 220,560.75 is: 330,841.82
Step by Step Solution
- Step 1: Write the proportion equation
789,183.41 : 1,183,777.59 = 220,560.75 : x - Step 2: Convert to fraction form
789,183.41/1,183,777.59 = 220,560.75/x - Step 3: Cross multiply
789,183.41x = 1,183,777.59 × 220,560.75 - Step 4: Simplify right side
789,183.41x = 261,094,873,083.59 - Step 5: Solve for x
x = 261,094,873,083.59/789,183.41 - Step 6: Final answer
x = 330,841.82
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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.