Finding the Fourth Proportional to 103,855.79, 155,783.61 and 24,969.99
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Solution
The fourth proportional to 103,855.79, 155,783.61 and 24,969.99 is: 37,454.97
Step by Step Solution
- Step 1: Write the proportion equation
103,855.79 : 155,783.61 = 24,969.99 : x - Step 2: Convert to fraction form
103,855.79/155,783.61 = 24,969.99/x - Step 3: Cross multiply
103,855.79x = 155,783.61 × 24,969.99 - Step 4: Simplify right side
103,855.79x = 3,889,915,183.86 - Step 5: Solve for x
x = 3,889,915,183.86/103,855.79 - Step 6: Final answer
x = 37,454.97
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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.