Finding the Fourth Proportional to 277,330.97, 415,997.67 and 87,792.26
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Solution
The fourth proportional to 277,330.97, 415,997.67 and 87,792.26 is: 131,688.78
Step by Step Solution
- Step 1: Write the proportion equation
277,330.97 : 415,997.67 = 87,792.26 : x - Step 2: Convert to fraction form
277,330.97/415,997.67 = 87,792.26/x - Step 3: Cross multiply
277,330.97x = 415,997.67 × 87,792.26 - Step 4: Simplify right side
277,330.97x = 36,521,376,397.11 - Step 5: Solve for x
x = 36,521,376,397.11/277,330.97 - Step 6: Final answer
x = 131,688.78
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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.