Finding the Fourth Proportional to 316,239.26, 436,433.85 and 180,276.44
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Solution
The fourth proportional to 316,239.26, 436,433.85 and 180,276.44 is: 248,794.98
Step by Step Solution
- Step 1: Write the proportion equation
316,239.26 : 436,433.85 = 180,276.44 : x - Step 2: Convert to fraction form
316,239.26/436,433.85 = 180,276.44/x - Step 3: Cross multiply
316,239.26x = 436,433.85 × 180,276.44 - Step 4: Simplify right side
316,239.26x = 78,678,738,591.32 - Step 5: Solve for x
x = 78,678,738,591.32/316,239.26 - Step 6: Final answer
x = 248,794.98
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1.5x scale
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.