Finding the Fourth Proportional to 277,820.75, 383,391.80 and 156,961.99
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Solution
The fourth proportional to 277,820.75, 383,391.80 and 156,961.99 is: 216,607.07
Step by Step Solution
- Step 1: Write the proportion equation
277,820.75 : 383,391.80 = 156,961.99 : x - Step 2: Convert to fraction form
277,820.75/383,391.80 = 156,961.99/x - Step 3: Cross multiply
277,820.75x = 383,391.80 × 156,961.99 - Step 4: Simplify right side
277,820.75x = 60,177,937,175.91 - Step 5: Solve for x
x = 60,177,937,175.91/277,820.75 - Step 6: Final answer
x = 216,607.07
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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.