Finding the Fourth Proportional to 311,070.44, 429,272.44 and 175,103.97
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Solution
The fourth proportional to 311,070.44, 429,272.44 and 175,103.97 is: 241,640.80
Step by Step Solution
- Step 1: Write the proportion equation
311,070.44 : 429,272.44 = 175,103.97 : x - Step 2: Convert to fraction form
311,070.44/429,272.44 = 175,103.97/x - Step 3: Cross multiply
311,070.44x = 429,272.44 × 175,103.97 - Step 4: Simplify right side
311,070.44x = 75,167,308,455.59 - Step 5: Solve for x
x = 75,167,308,455.59/311,070.44 - Step 6: Final answer
x = 241,640.80
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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.