Finding the Fourth Proportional to 103,855.74, 155,783.60 and 24,969.96
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Solution
The fourth proportional to 103,855.74, 155,783.60 and 24,969.96 is: 37,454.94
Step by Step Solution
- Step 1: Write the proportion equation
103,855.74 : 155,783.60 = 24,969.96 : x - Step 2: Convert to fraction form
103,855.74/155,783.60 = 24,969.96/x - Step 3: Cross multiply
103,855.74x = 155,783.60 × 24,969.96 - Step 4: Simplify right side
103,855.74x = 3,889,910,712.54 - Step 5: Solve for x
x = 3,889,910,712.54/103,855.74 - Step 6: Final answer
x = 37,454.94
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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.