Finding the Fourth Proportional to 174,658.08, 261,767.91 and 74,700.75
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Solution
The fourth proportional to 174,658.08, 261,767.91 and 74,700.75 is: 111,957.37
Step by Step Solution
- Step 1: Write the proportion equation
174,658.08 : 261,767.91 = 74,700.75 : x - Step 2: Convert to fraction form
174,658.08/261,767.91 = 74,700.75/x - Step 3: Cross multiply
174,658.08x = 261,767.91 × 74,700.75 - Step 4: Simplify right side
174,658.08x = 19,554,259,202.93 - Step 5: Solve for x
x = 19,554,259,202.93/174,658.08 - Step 6: Final answer
x = 111,957.37
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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.