Finding the Fourth Proportional to 274,682.61, 379,080.81 and 153,820.62
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Solution
The fourth proportional to 274,682.61, 379,080.81 and 153,820.62 is: 212,282.99
Step by Step Solution
- Step 1: Write the proportion equation
274,682.61 : 379,080.81 = 153,820.62 : x - Step 2: Convert to fraction form
274,682.61/379,080.81 = 153,820.62/x - Step 3: Cross multiply
274,682.61x = 379,080.81 × 153,820.62 - Step 4: Simplify right side
274,682.61x = 58,310,445,224.30 - Step 5: Solve for x
x = 58,310,445,224.30/274,682.61 - Step 6: Final answer
x = 212,282.99
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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.