Finding the Fourth Proportional to 201,484.45, 277,998.24 and 129,778.19
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Solution
The fourth proportional to 201,484.45, 277,998.24 and 129,778.19 is: 179,061.50
Step by Step Solution
- Step 1: Write the proportion equation
201,484.45 : 277,998.24 = 129,778.19 : x - Step 2: Convert to fraction form
201,484.45/277,998.24 = 129,778.19/x - Step 3: Cross multiply
201,484.45x = 277,998.24 × 129,778.19 - Step 4: Simplify right side
201,484.45x = 36,078,108,410.39 - Step 5: Solve for x
x = 36,078,108,410.39/201,484.45 - Step 6: Final answer
x = 179,061.50
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1.5x scale
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.