Finding the Fourth Proportional to 171,195.84, 257,042.97 and 121,539.60
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Solution
The fourth proportional to 171,195.84, 257,042.97 and 121,539.60 is: 182,486.33
Step by Step Solution
- Step 1: Write the proportion equation
171,195.84 : 257,042.97 = 121,539.60 : x - Step 2: Convert to fraction form
171,195.84/257,042.97 = 121,539.60/x - Step 3: Cross multiply
171,195.84x = 257,042.97 × 121,539.60 - Step 4: Simplify right side
171,195.84x = 31,240,899,756.61 - Step 5: Solve for x
x = 31,240,899,756.61/171,195.84 - Step 6: Final answer
x = 182,486.33
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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.