Finding the Fourth Proportional to 211,287.98, 316,817.49 and 92,820.62
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Solution
The fourth proportional to 211,287.98, 316,817.49 and 92,820.62 is: 139,180.64
Step by Step Solution
- Step 1: Write the proportion equation
211,287.98 : 316,817.49 = 92,820.62 : x - Step 2: Convert to fraction form
211,287.98/316,817.49 = 92,820.62/x - Step 3: Cross multiply
211,287.98x = 316,817.49 × 92,820.62 - Step 4: Simplify right side
211,287.98x = 29,407,195,848.64 - Step 5: Solve for x
x = 29,407,195,848.64/211,287.98 - Step 6: Final answer
x = 139,180.64
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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.