Finding the Fourth Proportional to 168,874.09, 233,008.12 and 100,877.79
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Solution
The fourth proportional to 168,874.09, 233,008.12 and 100,877.79 is: 139,188.58
Step by Step Solution
- Step 1: Write the proportion equation
168,874.09 : 233,008.12 = 100,877.79 : x - Step 2: Convert to fraction form
168,874.09/233,008.12 = 100,877.79/x - Step 3: Cross multiply
168,874.09x = 233,008.12 × 100,877.79 - Step 4: Simplify right side
168,874.09x = 23,505,344,197.65 - Step 5: Solve for x
x = 23,505,344,197.65/168,874.09 - Step 6: Final answer
x = 139,188.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.