Finding the Fourth Proportional to 174,077.91, 259,938.11 and 138,135.58
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Solution
The fourth proportional to 174,077.91, 259,938.11 and 138,135.58 is: 206,267.99
Step by Step Solution
- Step 1: Write the proportion equation
174,077.91 : 259,938.11 = 138,135.58 : x - Step 2: Convert to fraction form
174,077.91/259,938.11 = 138,135.58/x - Step 3: Cross multiply
174,077.91x = 259,938.11 × 138,135.58 - Step 4: Simplify right side
174,077.91x = 35,906,701,284.45 - Step 5: Solve for x
x = 35,906,701,284.45/174,077.91 - Step 6: Final answer
x = 206,267.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.