Finding the Fourth Proportional to 230,354.44, 317,908.58 and 129,771.88
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Solution
The fourth proportional to 230,354.44, 317,908.58 and 129,771.88 is: 179,096.15
Step by Step Solution
- Step 1: Write the proportion equation
230,354.44 : 317,908.58 = 129,771.88 : x - Step 2: Convert to fraction form
230,354.44/317,908.58 = 129,771.88/x - Step 3: Cross multiply
230,354.44x = 317,908.58 × 129,771.88 - Step 4: Simplify right side
230,354.44x = 41,255,594,094.73 - Step 5: Solve for x
x = 41,255,594,094.73/230,354.44 - Step 6: Final answer
x = 179,096.15
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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.