Finding the Fourth Proportional to 174,661.08, 261,772.41 and 74,703.75
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Solution
The fourth proportional to 174,661.08, 261,772.41 and 74,703.75 is: 111,961.87
Step by Step Solution
- Step 1: Write the proportion equation
174,661.08 : 261,772.41 = 74,703.75 : x - Step 2: Convert to fraction form
174,661.08/261,772.41 = 74,703.75/x - Step 3: Cross multiply
174,661.08x = 261,772.41 × 74,703.75 - Step 4: Simplify right side
174,661.08x = 19,555,380,673.54 - Step 5: Solve for x
x = 19,555,380,673.54/174,661.08 - Step 6: Final answer
x = 111,961.87
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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.