Finding the Fourth Proportional to 104,272.90, 156,418.56 and 29,393.68
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Solution
The fourth proportional to 104,272.90, 156,418.56 and 29,393.68 is: 44,093.12
Step by Step Solution
- Step 1: Write the proportion equation
104,272.90 : 156,418.56 = 29,393.68 : x - Step 2: Convert to fraction form
104,272.90/156,418.56 = 29,393.68/x - Step 3: Cross multiply
104,272.90x = 156,418.56 × 29,393.68 - Step 4: Simplify right side
104,272.90x = 4,597,717,098.70 - Step 5: Solve for x
x = 4,597,717,098.70/104,272.90 - Step 6: Final answer
x = 44,093.12
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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.