Finding the Fourth Proportional to 274,706.42, 379,076.81 and 153,819.99
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Solution
The fourth proportional to 274,706.42, 379,076.81 and 153,819.99 is: 212,261.48
Step by Step Solution
- Step 1: Write the proportion equation
274,706.42 : 379,076.81 = 153,819.99 : x - Step 2: Convert to fraction form
274,706.42/379,076.81 = 153,819.99/x - Step 3: Cross multiply
274,706.42x = 379,076.81 × 153,819.99 - Step 4: Simplify right side
274,706.42x = 58,309,590,354.33 - Step 5: Solve for x
x = 58,309,590,354.33/274,706.42 - Step 6: Final answer
x = 212,261.48
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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.